Apply suggestions from code review

Co-authored-by: Raphael Michel <mail@raphaelmichel.de>
Fix if condition
2026-08-08 10:27:49 +00:00 · 2026-05-22 16:38:38 +02:00 · 2026-05-22 16:37:46 +02:00 · 2026-05-22 16:20:40 +02:00 · 2026-05-22 16:12:10 +02:00
452 changed files with 582631 additions and 594986 deletions
@@ -10,9 +10,9 @@ tests:
        - cd src
        - python manage.py check
        - make all compress
-        - PRETIX_CONFIG_FILE=tests/ci_sqlite.cfg py.test -n 3 tests --ignore=tests/e2e --maxfail=100
+        - PRETIX_CONFIG_FILE=tests/ci_sqlite.cfg py.test -n 3 tests --maxfail=100
    except:
-        - '/^v.*$/'
+        - pypi
 pypi:
    stage: release
    image:
@@ -35,7 +35,7 @@ pypi:
        - twine check dist/*
        - twine upload dist/*
    only:
-        - '/^v.*$/'
+        - pypi
    artifacts:
        paths:
            - src/dist/
@@ -57,7 +57,8 @@ COPY vite.config.ts /pretix/vite.config.ts
 RUN pip3 install -U \
        pip \
-        setuptools && \
+        setuptools \
        wheel && \
    cd /pretix && \
    PRETIX_DOCKER_BUILD=TRUE pip3 install \
        -e ".[memcached]" \
@@ -192,7 +192,7 @@ Cart position endpoints
   * ``attendee_email`` (optional)
   * ``subevent`` (optional)
   * ``expires`` (optional)
-   * ``includes_tax`` (optional, **DEPRECATED**, do not use, will be removed)
+   * ``includes_tax`` (optional, **deprecated**, do not use, will be removed)
   * ``sales_channel`` (optional)
   * ``voucher`` (optional, expect a voucher code)
   * ``addons`` (optional, expect a list of nested objects of cart positions)
@@ -46,14 +46,12 @@ Checking a ticket in
                        this request twice with the same nonce, the second request will also succeed but will always
                        create only one check-in object even when the previous request was successful as well. This
                        allows for a certain level of idempotency and enables you to re-try after a connection failure.
   :<json string exchange_medium_type: To perform an exchange to a reusable medium, pass the type of the new reusable medium
   :<json string exchange_medium_identifier: To perform an exchange to a reusable media, pass the identifier of the new medium
   :<json boolean use_order_locale: Specifies that pretix should use the customer's language (``locale`` field from the
                                    order) when building texts (currently only the ``reason_explanation`` response field).
                                    Defaults to ``false`` in which case the server will determine the language (currently
                                    the event default language, might change in the future with support for the
                                    ``Accept-Language`` header).
-   :>json string status: ``"ok"``, ``"incomplete"``, ``"exchange"``, or ``"error"``
+   :>json string status: ``"ok"``, ``"incomplete"``, or ``"error"``
   :>json string reason: Reason code, only set on status ``"error"``, see below for possible values.
   :>json string reason_explanation: Human-readable explanation, only set on status ``"error"`` and reason ``"rules"``, can be null.
   :>json object position: Copy of the matching order position (if any was found). The contents are the same as the
@@ -69,10 +67,6 @@ Checking a ticket in
   :>json object list: Excerpt of information about the matching :ref:`check-in list <rest-checkinlists>` (if any was found),
                       including the attributes ``id``, ``name``, ``event``, ``subevent``, and ``include_pending``.
   :>json object questions: List of questions to be answered for check-in, only set on status ``"incomplete"``.
   :>json object media_policy: Reusable media policy (see documentation on items), only set on status ``"exchange"``.
   :>json object media_type: Reusable media type (see documentation on items), only set on status ``"exchange"``.
   :>json boolean simulate: Do not actually perform the check-in, only simulate the response. The ``position`` response
                            object will not reflect the simulated changes.
   **Example request**:
@@ -230,9 +224,6 @@ Checking a ticket in
   * ``ambiguous`` - Multiple tickets match scan, rejected.
   * ``revoked`` - Ticket code has been revoked.
   * ``unapproved`` - Order has not yet been approved.
   * ``already_exchanged`` - Ticket already has been exchanged for a reusable medium that must now be used for check-in.
   * ``medium_invalid`` - Reusable medium identifier given was not found or is not valid.
   * ``medium_exists`` - Reusable medium identifier already exists, but expected to be new.
   * ``error`` - Internal error.
   In case of reason ``rules`` and ``invalid_time``, there might be an additional response field ``reason_explanation``
@@ -351,8 +351,7 @@ Endpoints
   :<json boolean error_reason: One of ``canceled``, ``invalid``, ``unpaid``, ``product``, ``rules``, ``revoked``,
                                ``incomplete``, ``already_redeemed``, ``blocked``, ``invalid_time``, or ``error``. Required.
-   :<json raw_barcode: The raw barcode or identifier you scanned. Required.
+   :<json raw_barcode: The raw barcode you scanned. Required.
   :<json raw_source_type: The type of medium you scanned, defaults to ``barcode``. Optional.
   :<json datetime: Date and time of the scan. Optional.
   :<json type: Type of scan, defaults to ``"entry"``.
   :<json position: Internal ID of an order position you matched. Optional.
@@ -603,8 +602,7 @@ Order position endpoints
      We no longer recommend using this API if you're building a ticket scanning application, as it has a few design
      flaws that can lead to `security issues`_ or compatibility issues due to barcode content characters that are not
-      URL-safe. We recommend to use our new :ref:`check-in API <rest-checkin>` instead. Advanced features like medium
+      URL-safe. We recommend to use our new :ref:`check-in API <rest-checkin>` instead.
      exchange are only supported on the new API.
   :query boolean untrusted_input: If set to true, the lookup parameter is **always** interpreted as a ``secret``, never
                                   as an ``id``. This should be always set if you are passing through untrusted, scanned
@@ -743,9 +741,6 @@ Order position endpoints
   * ``ambiguous`` - Multiple tickets match scan, rejected.
   * ``revoked`` - Ticket code has been revoked.
   * ``unapproved`` - Order has not yet been approved.
   * ``already_exchanged`` - Ticket already has been exchanged for a reusable medium that must now be used for check-in.
   * ``medium_invalid`` - Reusable medium identifier given was not found and could not be automatically created.
   * ``medium_exists`` - Reusable medium identifier already exists, but expected to be new.
   In case of reason ``rules`` or ``invalid_time``, there might be an additional response field ``reason_explanation``
   with a human-readable description of the violated rules. However, that field can also be missing or be ``null``.
@@ -131,7 +131,7 @@ allow_waitinglist                       boolean                    If ``false``,
                                                                   product when it is sold out.
 issue_giftcard                          boolean                    If ``true``, buying this product will yield a gift card.
 media_policy                            string                     Policy on how to handle reusable media (experimental feature).
-                                                                   Possible values are ``null``, ``"new"``, ``"reuse"``, ``"reuse_or_new"``, ``"append"``, and ``"append_or_new"``.
+                                                                   Possible values are ``null``, ``"new"``, ``"reuse"``, and ``"reuse_or_new"``.
 media_type                              string                     Type of reusable media to work on (experimental feature). See :ref:`rest-reusablemedia` for possible choices.
 show_quota_left                         boolean                    Publicly show how many tickets are still available.
                                                                   If this is ``null``, the event default is used.
@@ -864,9 +864,6 @@ Generating new secrets
   Triggers generation of new ``secret`` and ``web_secret`` attributes for both the order and all order positions.
   Ticket secrets of order positions that have been used to issue a gift card can not
   be changed. Only the link (``web_secret``) will be changed in this case.
   **Example request**:
   .. sourcecode:: http
@@ -898,9 +895,6 @@ Generating new secrets
   Triggers generation of a new ``secret`` and ``web_secret`` attribute for a single order position.
   Ticket secrets of order positions that have been used to issue a gift card can not
   be changed. Only the link (``web_secret``) will be changed in this case.
   **Example request**:
   .. sourcecode:: http
@@ -1075,7 +1069,7 @@ Creating orders
      * ``valid_from`` (optional, if both ``valid_from`` and ``valid_until`` are **missing** (not ``null``) the availability will be computed from the given product)
      * ``valid_until`` (optional, if both ``valid_from`` and ``valid_until`` are **missing** (not ``null``) the availability will be computed from the given product)
      * ``requested_valid_from`` (optional, can be set **instead** of ``valid_from`` and ``valid_until`` to signal a user choice for the start time that may or may not be respected)
-      * ``use_reusable_medium`` (optional, causes the new ticket to be connected to the given reusable medium, identified by its ID)
+      * ``use_reusable_medium`` (optional, causes the new ticket to take over the given reusable medium, identified by its ID)
      * ``discount`` (optional, only possible if ``price`` is set; attention: if this is set to not-``null`` on any position, automatic calculation of discounts will not run)
      * ``answers``
@@ -2038,7 +2032,7 @@ Manipulating individual positions
   * ``order`` (mandatory, specified as a string mapping to a ``code``)
-   * ``addon_to`` (optional, specified as an integer mapping to ``positionid`` - the number of the position within the order, see :ref:`_order-position-resource` - of the parent position)
+   * ``addon_to`` (optional, specified as an integer mapping to the ``positionid`` of the parent position)
   * ``item`` (mandatory)
@@ -2348,7 +2342,7 @@ otherwise, such as splitting an order or changing fees.
            "subevent": 562,
            "seat": "seat-guid-2",
            "price": "99.99",
-            "addon_to": 1,
+            "addon_to": 12374,
            "attendee_name": "Peter",
          }
        ],
@@ -21,16 +21,12 @@ id                                    integer                    Internal ID of
 type                                  string                     Type of medium, e.g. ``"barcode"``, ``"nfc_uid"`` or ``"nfc_mf0aes"``.
 organizer                             string                     Organizer slug of the organizer who "owns" this medium.
 identifier                            string                     Unique identifier of the medium. The format depends on the ``type``.
 claim_token                           string                     Secret token to claim ownership of the medium (or ``null``)
 label                                 string                     Label to identify the medium, usually something human readable (or ``null``)
 active                                boolean                    Whether this medium may be used.
 created                               datetime                   Date of creation
 updated                               datetime                   Date of last modification
 expires                               datetime                   Expiry date (or ``null``)
 customer                              string                     Identifier of a customer account this medium belongs to.
-linked_orderpositions                 list of integers           Internal IDs of tickets this medium is linked to.
+linked_orderposition                  integer                    Internal ID of a ticket this medium is linked to.
 linked_orderposition                  integer                    **DEPRECATED.** ID of the ticket the medium is linked to, if it is linked to 
                                                                 only one ticket. ``null``, if the medium is linked to none or multiple tickets.
 linked_giftcard                       integer                    Internal ID of a gift card this medium is linked to.
 info                                  object                     Additional data, content depends on the ``type``. Consider
                                                                 this internal to the system and don't use it for your own data.
@@ -43,14 +39,6 @@ Existing media types are:
 - ``nfc_uid``
 - ``nfc_mf0aes``
 .. versionchanged:: 2026.5
   The ``claim_token``, ``label``, ``linked_orderpositions`` attributes have been added, the ``linked_orderposition`` attribute has been
   deprecated. Note: To maintain backwards compatibility ``linked_orderposition`` contains the internal ID of the linked order position
   if the medium has exactly one order position in ``linked_orderpositions``.
 Endpoints
 ---------
@@ -89,7 +77,6 @@ Endpoints
            "active": True,
            "expires": None,
            "customer": None,
            "linked_orderpositions": [],
            "linked_orderposition": None,
            "linked_giftcard": None,
            "notes": None,
@@ -105,13 +92,10 @@ Endpoints
   :query string customer: Only show media linked to the given customer.
   :query string created_since: Only show media created since a given date.
   :query string updated_since: Only show media updated since a given date.
   :query integer linked_orderpositions: Only show media linked to the given tickets. Note: you can pass multiple ticket IDs by passing
                                         ``linked_orderpositions`` multiple times. Any medium matching any linked orderposition will be returned.
   :query integer linked_orderposition: Only show media linked to the given ticket.
   :query integer linked_giftcard: Only show media linked to the given gift card.
-   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_giftcard.owner_ticket"``, ``"linked_orderpositions"``,
+   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_giftcard.owner_ticket"``, ``"linked_orderposition"``,
-                         ``"linked_orderposition"`` (**DEPRECATED**), or ``"customer"``, the respective field will be shown 
+                         or ``"customer"``, the respective field will be shown as a nested value instead of just an ID.
                         as a nested value instead of just an ID.
                         The nested objects are identical to the respective resources, except that order positions
                         will have an attribute of the format ``"order": {"code": "ABCDE", "event": "eventslug"}`` to make
                         matching easier. The parameter can be given multiple times.
@@ -150,7 +134,6 @@ Endpoints
        "active": True,
        "expires": None,
        "customer": None,
        "linked_orderpositions": [],
        "linked_orderposition": None,
        "linked_giftcard": None,
        "notes": None,
@@ -208,7 +191,6 @@ Endpoints
        "active": True,
        "expires": None,
        "customer": None,
        "linked_orderpositions": [],
        "linked_orderposition": None,
        "linked_giftcard": None,
        "notes": None,
@@ -216,9 +198,9 @@ Endpoints
      }
   :param organizer: The ``slug`` field of the organizer to look up a medium for
-   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderpositions"``, or ``"customer"``, the respective
+   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderposition"``, oder ``"customer"``, the respective
                         field will be shown as a nested value instead of just an ID. The nested objects are identical to
-                         the respective resources, except that the ``linked_orderpositions`` each will have an attribute of the
+                         the respective resources, except that the ``linked_orderposition`` will have an attribute of the
                         format ``"order": {"code": "ABCDE", "event": "eventslug"}`` to make matching easier. The parameter
                         can be given multiple times.
   :statuscode 201: no error
@@ -245,7 +227,6 @@ Endpoints
        "active": True,
        "expires": None,
        "customer": None,
        "linked_orderpositions": [],
        "linked_orderposition": None,
        "linked_giftcard": None,
        "notes": None,
@@ -270,7 +251,6 @@ Endpoints
        "active": True,
        "expires": None,
        "customer": None,
        "linked_orderpositions": [],
        "linked_orderposition": None,
        "linked_giftcard": None,
        "notes": None,
@@ -278,7 +258,7 @@ Endpoints
      }
   :param organizer: The ``slug`` field of the organizer to create a medium for
-   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderpositions"``, or ``"customer"``, the respective
+   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderposition"``, oder ``"customer"``, the respective
                         field will be shown as a nested value instead of just an ID. The nested objects are identical to
                         the respective resources, except that the ``linked_orderposition`` will have an attribute of the
                         format ``"order": {"code": "ABCDE", "event": "eventslug"}`` to make matching easier. The parameter
@@ -307,7 +287,7 @@ Endpoints
      Content-Length: 94
      {
-        "linked_orderpositions": [13, 29]
+        "linked_orderposition": 13
      }
   **Example response**:
@@ -328,8 +308,7 @@ Endpoints
        "active": True,
        "expires": None,
        "customer": None,
-        "linked_orderpositions": [13, 29],
+        "linked_orderposition": 13,
        "linked_orderposition": None,
        "linked_giftcard": None,
        "notes": None,
        "info": {}
@@ -337,7 +316,7 @@ Endpoints
   :param organizer: The ``slug`` field of the organizer to modify
   :param id: The ``id`` field of the medium to modify
-   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderpositions"``, or ``"customer"``, the respective
+   :query string expand: If you pass ``"linked_giftcard"``, ``"linked_orderposition"``, oder ``"customer"``, the respective
                         field will be shown as a nested value instead of just an ID. The nested objects are identical to
                         the respective resources, except that the ``linked_orderposition`` will have an attribute of the
                         format ``"order": {"code": "ABCDE", "event": "eventslug"}`` to make matching easier. The parameter
@@ -64,8 +64,8 @@ Backend
 .. automodule:: pretix.control.signals
   :members: nav_event, html_head, html_page_start, quota_detail_html, nav_topbar, nav_global, nav_organizer, nav_event_settings,
-             order_info, order_approve_info, event_settings_widget, oauth_application_registered,
+             order_info, event_settings_widget, oauth_application_registered, order_position_buttons, subevent_forms,
-             order_position_buttons, subevent_forms, item_formsets, order_search_filter_q, order_search_forms, subevent_detail_html
+             item_formsets, order_search_filter_q, order_search_forms
 .. automodule:: pretix.base.signals
   :no-index:
@@ -81,7 +81,7 @@ is a python method that emulates a behavior similar to ``reverse``:
 If you need to communicate the URL externally, you can use a different method to ensure that it is always an absolute URL:
-.. autofunction:: pretix.multidomain.urlreverse.eventreverse_absolute
+.. autofunction:: pretix.multidomain.urlreverse.build_absolute_uri
 In addition, there is a template tag that works similar to ``url`` but takes an event or organizer object
 as its first argument and can be used like this::
@@ -53,7 +53,7 @@ Working with the code
 ---------------------
 If you do not have a recent installation of ``nodejs``, install it now::
-    curl -sL https://deb.nodesource.com/setup_24.x | sudo -E bash -
+    curl -sL https://deb.nodesource.com/setup_17.x | sudo -E bash -
    sudo apt install nodejs
 To make sure it is on your path variable, close and reopen your terminal. Now, install the Python-level dependencies of pretix::
@@ -370,14 +370,14 @@
      "license": "MIT"
    },
    "node_modules/@napi-rs/wasm-runtime": {
-      "version": "1.1.5",
+      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.5.tgz",
+      "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.4.tgz",
-      "integrity": "sha512-AWPoBRJ9tsnVhor4sjO7rkni+7p+2IAEFj6cx06UgP10jkQHqay/36uRV/bFkgrh18D9vb4cr8Q0Pthskgzy+Q==",
+      "integrity": "sha512-3NQNNgA1YSlJb/kMH1ildASP9HW7/7kYnRI2szWJaofaS1hWmbGI4H+d3+22aGzXXN9IJ+n+GiFVcGipJP18ow==",
      "dev": true,
      "license": "MIT",
      "optional": true,
      "dependencies": {
-        "@tybys/wasm-util": "^0.10.2"
+        "@tybys/wasm-util": "^0.10.1"
      },
      "funding": {
        "type": "github",
@@ -427,9 +427,9 @@
      }
    },
    "node_modules/@oxc-project/types": {
-      "version": "0.133.0",
+      "version": "0.129.0",
-      "resolved": "https://registry.npmjs.org/@oxc-project/types/-/types-0.133.0.tgz",
+      "resolved": "https://registry.npmjs.org/@oxc-project/types/-/types-0.129.0.tgz",
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      "dev": true,
      "license": "MIT",
      "funding": {
@@ -758,9 +758,9 @@
      }
    },
    "node_modules/@rolldown/binding-android-arm64": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-android-arm64/-/binding-android-arm64-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-android-arm64/-/binding-android-arm64-1.0.0.tgz",
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      "cpu": [
        "arm64"
      ],
@@ -775,9 +775,9 @@
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    },
    "node_modules/@rolldown/binding-darwin-arm64": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-darwin-arm64/-/binding-darwin-arm64-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-darwin-arm64/-/binding-darwin-arm64-1.0.0.tgz",
-      "integrity": "sha512-PcAhP+ynjURNyy8SKGl5DQP94aGuB/7JrXJb/t7P+hanXvQVMWzUvRRhBAcg/lNRadBhoUPqSoP4xw5tR/KBEA==",
+      "integrity": "sha512-6XcD+8k0gPVItNagEw78/qqcBDwKcwDYS8V2hRmVsfUSIrd8cWe/CBvRDI5toqFyPfj+FJr6t8U6Xj2P2prEew==",
      "cpu": [
        "arm64"
      ],
@@ -792,9 +792,9 @@
      }
    },
    "node_modules/@rolldown/binding-darwin-x64": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-darwin-x64/-/binding-darwin-x64-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-darwin-x64/-/binding-darwin-x64-1.0.0.tgz",
-      "integrity": "sha512-9YpfeUvSE2RS7wysJ81uOZkXJz7f7Q55H2Gvp3VEw/EsahqDtrphrZ0EwDLK5vvKOzaCrBsjF8JmnMLcUt78Gg==",
+      "integrity": "sha512-iN/tWVXRQDWvmZlKdceP1Dwug9GDpEymhb9p4xnEe6zvCg5lFmzVljl+1qR1NVx3yfGpr2Na+CuLmv5IU8uzfQ==",
      "cpu": [
        "x64"
      ],
@@ -809,9 +809,9 @@
      }
    },
    "node_modules/@rolldown/binding-freebsd-x64": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-freebsd-x64/-/binding-freebsd-x64-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-freebsd-x64/-/binding-freebsd-x64-1.0.0.tgz",
-      "integrity": "sha512-yB1IlAsSNHncV6SCTL27/MVGR5htvQsoGxIv5KMGXALp+Ll1wYsn+x98M9MW7qa+NdSbvrrY7ANI4wLJ0n1e6g==",
+      "integrity": "sha512-jjQMDvvwSOuhOwMszD/klSOjyWMM3zI64hWTj9KT5x4MxRbZAf+7vLQ6qouRhtsLVFHr3f0ILaJAfgENPiQdAQ==",
      "cpu": [
        "x64"
      ],
@@ -826,9 +826,9 @@
      }
    },
    "node_modules/@rolldown/binding-linux-arm-gnueabihf": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-linux-arm-gnueabihf/-/binding-linux-arm-gnueabihf-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-linux-arm-gnueabihf/-/binding-linux-arm-gnueabihf-1.0.0.tgz",
-      "integrity": "sha512-Yi30IVAAfLUCy2MseFjbB1jAMDl1VMCAas5StnYp8da9+CKvMd2H2cbEjWcw5NPaPqzvYkVIaF1nNUG+b7u/sw==",
+      "integrity": "sha512-d//Dtg2x6/m3mbV64yUGNnDGNZaDGRpDLLNGerHQUVObuNaIQaaDp25yUiqGXtHEXX+NP2d0wAlmKgpYgIAJ2A==",
      "cpu": [
        "arm"
      ],
@@ -843,16 +843,13 @@
      }
    },
    "node_modules/@rolldown/binding-linux-arm64-gnu": {
-      "version": "1.0.3",
+      "version": "1.0.0",
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+      "resolved": "https://registry.npmjs.org/@rolldown/binding-linux-arm64-gnu/-/binding-linux-arm64-gnu-1.0.0.tgz",
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@@ -903,16 +894,13 @@
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-      "version": "1.0.3",
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-      "resolved": "https://registry.npmjs.org/@rolldown/binding-linux-s390x-gnu/-/binding-linux-s390x-gnu-1.0.3.tgz",
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@@ -923,16 +911,13 @@
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@@ -943,16 +928,13 @@
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-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-linux-x64-musl/-/binding-linux-x64-musl-1.0.3.tgz",
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      "license": "MIT",
      "optional": true,
      "os": [
@@ -963,9 +945,9 @@
      }
    },
    "node_modules/@rolldown/binding-openharmony-arm64": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-openharmony-arm64/-/binding-openharmony-arm64-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-openharmony-arm64/-/binding-openharmony-arm64-1.0.0.tgz",
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      "cpu": [
        "arm64"
      ],
@@ -980,9 +962,9 @@
      }
    },
    "node_modules/@rolldown/binding-wasm32-wasi": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-wasm32-wasi/-/binding-wasm32-wasi-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-wasm32-wasi/-/binding-wasm32-wasi-1.0.0.tgz",
-      "integrity": "sha512-JTtb8BWFynicNSoPrehsCzBtOKjZ6jhMiPFEmOiuXg1Fl8dn2KHQob+GuPSGR0dryQa1PQJbzjF3dqO/whhjLg==",
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      "cpu": [
        "wasm32"
      ],
@@ -999,9 +981,9 @@
      }
    },
    "node_modules/@rolldown/binding-win32-arm64-msvc": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-win32-arm64-msvc/-/binding-win32-arm64-msvc-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-win32-arm64-msvc/-/binding-win32-arm64-msvc-1.0.0.tgz",
-      "integrity": "sha512-gEdFFEN70A/jxb2svrWsN3aDL7OUtmvlOy+6fa2jxG8K0wQ1ZbdeLGnidov6Yu5/733dI5ySfzFlQ/cb0bSz1g==",
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      "cpu": [
        "arm64"
      ],
@@ -1016,9 +998,9 @@
      }
    },
    "node_modules/@rolldown/binding-win32-x64-msvc": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/binding-win32-x64-msvc/-/binding-win32-x64-msvc-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/binding-win32-x64-msvc/-/binding-win32-x64-msvc-1.0.0.tgz",
-      "integrity": "sha512-eXB7CHuaQdqmJcc3koCNtNPmT/bj2gc999kUFgBxG8Ac0NdgXc4rkCHhqrgrhN3zddvvvrgzj1e90SuSfmyIXA==",
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@@ -2584,9 +2566,9 @@
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    "node_modules/immutable": {
-      "version": "5.1.9",
+      "version": "5.1.5",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.1.9.tgz",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-5.1.5.tgz",
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      "license": "MIT"
    },
@@ -3176,9 +3158,9 @@
      "license": "MIT"
    },
    "node_modules/nanoid": {
-      "version": "3.3.16",
+      "version": "3.3.11",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.16.tgz",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
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@@ -3352,9 +3334,9 @@
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    "node_modules/postcss": {
-      "version": "8.5.23",
+      "version": "8.5.14",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.23.tgz",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.14.tgz",
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      "funding": [
        {
          "type": "opencollective",
@@ -3371,7 +3353,7 @@
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      "license": "MIT",
      "dependencies": {
-        "nanoid": "^3.3.16",
+        "nanoid": "^3.3.11",
        "picocolors": "^1.1.1",
        "source-map-js": "^1.2.1"
      },
@@ -3628,14 +3610,14 @@
      }
    },
    "node_modules/rolldown": {
-      "version": "1.0.3",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/rolldown/-/rolldown-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/rolldown/-/rolldown-1.0.0.tgz",
-      "integrity": "sha512-i00lAJ2ks1BYr7rjNjKC7BcqAS7nVfiT3QX1SI5aY+AFHblCmaUf9OE9dbdzDvW6dJxbi2ZCZiy9v3CcwOiX3g==",
+      "integrity": "sha512-yD986aXDESFGS95spT1LAv0jssywP4npMEjmMHyN2/5+eE8qQJUype2AaKkRiLgBgyD0LFlubwAht7VmY8rGoA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@oxc-project/types": "=0.133.0",
+        "@oxc-project/types": "=0.129.0",
-        "@rolldown/pluginutils": "^1.0.0"
+        "@rolldown/pluginutils": "1.0.0"
      },
      "bin": {
        "rolldown": "bin/cli.mjs"
@@ -3644,27 +3626,27 @@
        "node": "^20.19.0 || >=22.12.0"
      },
      "optionalDependencies": {
-        "@rolldown/binding-android-arm64": "1.0.3",
+        "@rolldown/binding-android-arm64": "1.0.0",
-        "@rolldown/binding-darwin-arm64": "1.0.3",
+        "@rolldown/binding-darwin-arm64": "1.0.0",
-        "@rolldown/binding-darwin-x64": "1.0.3",
+        "@rolldown/binding-darwin-x64": "1.0.0",
-        "@rolldown/binding-freebsd-x64": "1.0.3",
+        "@rolldown/binding-freebsd-x64": "1.0.0",
-        "@rolldown/binding-linux-arm-gnueabihf": "1.0.3",
+        "@rolldown/binding-linux-arm-gnueabihf": "1.0.0",
-        "@rolldown/binding-linux-arm64-gnu": "1.0.3",
+        "@rolldown/binding-linux-arm64-gnu": "1.0.0",
-        "@rolldown/binding-linux-arm64-musl": "1.0.3",
+        "@rolldown/binding-linux-arm64-musl": "1.0.0",
-        "@rolldown/binding-linux-ppc64-gnu": "1.0.3",
+        "@rolldown/binding-linux-ppc64-gnu": "1.0.0",
-        "@rolldown/binding-linux-s390x-gnu": "1.0.3",
+        "@rolldown/binding-linux-s390x-gnu": "1.0.0",
-        "@rolldown/binding-linux-x64-gnu": "1.0.3",
+        "@rolldown/binding-linux-x64-gnu": "1.0.0",
-        "@rolldown/binding-linux-x64-musl": "1.0.3",
+        "@rolldown/binding-linux-x64-musl": "1.0.0",
-        "@rolldown/binding-openharmony-arm64": "1.0.3",
+        "@rolldown/binding-openharmony-arm64": "1.0.0",
-        "@rolldown/binding-wasm32-wasi": "1.0.3",
+        "@rolldown/binding-wasm32-wasi": "1.0.0",
-        "@rolldown/binding-win32-arm64-msvc": "1.0.3",
+        "@rolldown/binding-win32-arm64-msvc": "1.0.0",
-        "@rolldown/binding-win32-x64-msvc": "1.0.3"
+        "@rolldown/binding-win32-x64-msvc": "1.0.0"
      }
    },
    "node_modules/rolldown/node_modules/@rolldown/pluginutils": {
-      "version": "1.0.1",
+      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.0.tgz",
-      "integrity": "sha512-2j9bGt5Jh8hj+vPtgzPtl72j0yRxHAyumoo6TNfAjsLB04UtpSvPbPcDcBMxz7n+9CYB0c1GxQFxYRg2jimqGw==",
+      "integrity": "sha512-aKs/3GSWyV0mrhNmt/96/Z3yczC3yvrzYATCiCXQebBsGyYzjNdUphRVLeJQ67ySKVXRfMxt2lm12pmXvbPFQQ==",
      "dev": true,
      "license": "MIT"
    },
@@ -4343,9 +4325,9 @@
      }
    },
    "node_modules/tinyglobby": {
-      "version": "0.2.17",
+      "version": "0.2.16",
-      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
+      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.16.tgz",
-      "integrity": "sha512-wXR/dYpcqKmfWpEdZjiKJOwCNFndD0DMnrW/cYjVGttEkBfVgcLFHoNrlj47mjOVic9yyNu65alsgF4NQyTa2g==",
+      "integrity": "sha512-pn99VhoACYR8nFHhxqix+uvsbXineAasWm5ojXoN8xEwK5Kd3/TrhNn1wByuD52UxWRLy8pu+kRMniEi6Eq9Zg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
@@ -4483,17 +4465,17 @@
      "license": "MIT"
    },
    "node_modules/vite": {
-      "version": "8.0.16",
+      "version": "8.0.12",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-8.0.16.tgz",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-8.0.12.tgz",
-      "integrity": "sha512-h9bXPmJichP5fLmVQo3PyaGSDE2n3aPuomeAlVRm0JLmt4rY6zmPKd59HYI4LNW8oTK7tlTsuC7l/m7awx9Jcw==",
+      "integrity": "sha512-w2dDofOWv2QB09ZITZBsvKTVAlYvPR4IAmrY/v0ir9KvLs0xybR7i48wxhM1/oyBWO34wPns+bPGw5ZrZqDpZg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "lightningcss": "^1.32.0",
        "picomatch": "^4.0.4",
-        "postcss": "^8.5.15",
+        "postcss": "^8.5.14",
-        "rolldown": "1.0.3",
+        "rolldown": "1.0.0",
-        "tinyglobby": "^0.2.17"
+        "tinyglobby": "^0.2.16"
      },
      "bin": {
        "vite": "bin/vite.js"
@@ -29,33 +29,32 @@ classifiers = [
 dependencies = [
  "arabic-reshaper==3.0.1",  # Support for Arabic in reportlab
  "babel",
-  "BeautifulSoup4==4.15.*",
+  "BeautifulSoup4==4.14.*",
-  "bleach==6.4.*",
+  "bleach==6.3.*",
  "celery==5.6.*",
  "chardet==5.2.*",
-  "cryptography>=50.0.0",
+  "cryptography>=48.0.0",
-  "css-inline==0.21.*",
+  "css-inline==0.20.*",
  "defusedcsv>=3.0.0",
  "dnspython==2.*",
  "Django[argon2]==5.2.*",
-  "django-bootstrap3==26.2",
+  "django-bootstrap3==26.1",
  "django-compressor==4.6.0",
-  "django-countries==9.0.*",
+  "django-countries==8.2.*",
-  "django-filter==26.1",
+  "django-filter==25.1",
  "django-formset-js-improved==0.5.0.5",
-  "django-formtools==2.7",
+  "django-formtools==2.6.1",
-  "django-hierarkey==2.0.*,>=2.0.2",
+  "django-hierarkey==2.0.*,>=2.0.1",
  "django-hijack==3.7.*",
  "django-i18nfield==1.11.*",
  "django-libsass==0.9",
-  "django-localflavor==5.1",
+  "django-localflavor==5.0",
  "django-markup",
  "django-oauth-toolkit==2.3.*",
  "django-otp==1.7.*",
-  "django-phonenumber-field==8.5.*",
+  "django-phonenumber-field==8.4.*",
-  "django-querytagger==0.0.3",
+  "django-redis==6.0.*",
-  "django-redis==7.0.*",
+  "django-scopes==2.0.*",
  "django-scopes==2.1.*",
  "django-statici18n==2.7.*",
  "djangorestframework==3.17.*",
  "dnspython==2.8.*",
@@ -67,7 +66,7 @@ dependencies = [
  "kombu==5.6.*",
  "libsass==0.23.*",
  "lxml",
-  "markdown==3.10.3",  # 3.3.5 requires importlib-metadata>=4.4, but django-bootstrap3 requires importlib-metadata<3.
+  "markdown==3.10.2",  # 3.3.5 requires importlib-metadata>=4.4, but django-bootstrap3 requires importlib-metadata<3.
  # We can upgrade markdown again once django-bootstrap3 upgrades or once we drop Python 3.6 and 3.7
  "mt-940==4.30.*",
  "oauthlib==3.3.*",
@@ -75,11 +74,11 @@ dependencies = [
  "packaging",
  "paypalrestsdk==1.13.*",
  "paypal-checkout-serversdk==1.0.*",
-  "PyJWT==2.13.*",
+  "PyJWT==2.12.*",
  "phonenumberslite==9.0.*",
-  "Pillow==12.3.*",
+  "Pillow==12.2.*",
  "pretix-plugin-build",
-  "protobuf==7.35.*",
+  "protobuf==7.34.*",
  "psycopg2-binary",
  "pycountry",
  "pycparser==3.0",
@@ -92,33 +91,33 @@ dependencies = [
  "pyuca",
  "qrcode==8.2",
  "redis==7.4.*",
-  "reportlab==5.0.*",
+  "reportlab==4.5.*",
-  "requests==2.34.*",
+  "requests==2.32.*",
-  "sentry-sdk==2.66.*",
+  "sentry-sdk==2.60.*",
  "sepaxml==2.7.*",
  "stripe==7.9.*",
  "text-unidecode==1.*",
-  "tlds>=2026072401",
+  "tlds>=2026041800",
  "tqdm==4.*",
  "ua-parser==1.0.*",
  "vobject==0.9.*",
-  "webauthn==3.0.*",
+  "webauthn==2.7.*",
  "zeep==4.3.*"
 ]
 [project.optional-dependencies]
 memcached = ["pylibmc"]
 dev = [
-  "aiohttp==3.14.*",
+  "aiohttp==3.13.*",
  "coverage",
  "coveralls",
-  "fakeredis==2.37.*",
+  "fakeredis==2.35.*",
  "flake8==7.3.*",
  "freezegun",
  "isort==8.0.*",
  "pep8-naming==0.15.*",
  "potypo",
-  "pytest-asyncio>=1.4.0",
+  "pytest-asyncio>=1.3.0",
  "pytest-cache",
  "pytest-cov",
  "pytest-django==4.*",
@@ -126,7 +125,7 @@ dev = [
  "pytest-sugar",
  "pytest-xdist==3.8.*",
  "pytest-playwright",
-  "pytest==9.1.*",
+  "pytest==9.0.*",
  "playwright",
  "responses",
 ]
@@ -140,6 +139,8 @@ build-backend = "backend"
 backend-path = ["_build"]
 requires = [
  "setuptools",
  "setuptools-rust",
  "wheel",
  "importlib_metadata",
  "tomli",
 ]
@@ -6,8 +6,8 @@ localecompile:
 	./manage.py compilemessages
 localegen:
-	./manage.py makemessages --keep-pot --add-location file --ignore "pretix/static/npm_dir/*" $(LNGS)
+	./manage.py makemessages --keep-pot --ignore "pretix/static/npm_dir/*" $(LNGS)
-	./manage.py makemessages --keep-pot --add-location file -e js,ts,vue -d djangojs --ignore "pretix/static/npm_dir/*" --ignore "pretix/helpers/*" --ignore "pretix/static/jsi18n/*" --ignore "pretix/static/jsi18n/*" --ignore "pretix/static.dist/*" --ignore "data/*" --ignore "pretix/static/rrule/*" --ignore "build/*" $(LNGS)
+	./manage.py makemessages --keep-pot -d djangojs --ignore "pretix/static/npm_dir/*" --ignore "pretix/helpers/*" --ignore "pretix/static/jsi18n/*" --ignore "pretix/static/jsi18n/*" --ignore "pretix/static.dist/*" --ignore "data/*" --ignore "pretix/static/rrule/*" --ignore "build/*" $(LNGS)
 staticfiles: npminstall npmbuild jsi18n
 	./manage.py collectstatic --noinput
@@ -19,4 +19,4 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
-__version__ = "2026.8.0.dev0"
+__version__ = "2026.5.0.dev0"
@@ -104,7 +104,6 @@ ALL_LANGUAGES = [
    ('gl', _('Galician')),
    ('el', _('Greek')),
    ('he', _('Hebrew')),
    ('hu', _('Hungarian')),
    ('id', _('Indonesian')),
    ('it', _('Italian')),
    ('ja', _('Japanese')),
@@ -119,7 +118,6 @@ ALL_LANGUAGES = [
    ('sv', _('Swedish')),
    ('es', _('Spanish')),
    ('es-419', _('Spanish (Latin America)')),
    ('th', _('Thai')),
    ('tr', _('Turkish')),
    ('uk', _('Ukrainian')),
 ]
@@ -20,11 +20,8 @@
 # <https://www.gnu.org/licenses/>.
 #
 import logging
 from datetime import timedelta
 from django.contrib.auth.models import AnonymousUser
 from django.db import DatabaseError
 from django.utils.timezone import now
 from django_scopes import scopes_disabled
 from rest_framework import exceptions
 from rest_framework.authentication import TokenAuthentication
@@ -33,7 +30,6 @@ from pretix.api.auth.devicesecurity import (
    FullAccessSecurityProfile, get_all_security_profiles,
 )
 from pretix.base.models import Device
 from pretix.base.models.devices import DeviceLastSeen
 logger = logging.getLogger(__name__)
@@ -46,7 +42,7 @@ class DeviceTokenAuthentication(TokenAuthentication):
        model = self.get_model()
        try:
            with scopes_disabled():
-                device = model.objects.select_related('organizer', 'last_seen').get(api_token=key)
+                device = model.objects.select_related('organizer').get(api_token=key)
        except model.DoesNotExist:
            raise exceptions.AuthenticationFailed('Invalid token.')
@@ -57,7 +53,6 @@ class DeviceTokenAuthentication(TokenAuthentication):
            logging.warning(f'Connection attempt of revoked device {device.pk}.')
            raise exceptions.AuthenticationFailed('Device access has been revoked.')
        self._update_last_seen(device)
        return AnonymousUser(), device
    def authenticate(self, request):
@@ -68,22 +63,3 @@ class DeviceTokenAuthentication(TokenAuthentication):
            if not profile.is_allowed(request):
                raise exceptions.PermissionDenied('Request denied by device security profile.')
        return r
    def _update_last_seen(self, device: Device):
        try:
            try:
                last_seen_obj = device.last_seen
            except DeviceLastSeen.DoesNotExist:
                # First request from device, create model, ignore result. Use get_or_create to be safe
                # against concurrent create requests
                DeviceLastSeen.objects.get_or_create(device=device, last_seen=now())
            else:
                if now() - last_seen_obj.last_seen < timedelta(seconds=10):
                    # We don't need to know the last seen info of a device to more precision than this,
                    # so we can avoid some database writes if the device is bursting a lot of requests.
                    return
                last_seen_obj.last_seen = now()
                last_seen_obj.save(update_fields=["last_seen"])
        except DatabaseError:
            # Do not stop the request from happening
            logger.exception("Database error while updating last_seen")
@@ -20,6 +20,7 @@
 # <https://www.gnu.org/licenses/>.
 #
 import logging
 from collections import OrderedDict
 from django.dispatch import receiver
 from django.utils.translation import gettext_lazy as _
@@ -51,18 +52,10 @@ class BaseSecurityProfile:
        """
        raise NotImplementedError()
    @property
    def priority(self) -> int:
        """
        Priority for ordering, higher will come first.
        """
        return 100
 class FullAccessSecurityProfile(BaseSecurityProfile):
    identifier = 'full'
    verbose_name = _('Full device access (reading and changing orders and gift cards, reading of products and settings)')
    priority = 1000
    def is_allowed(self, request):
        return True
@@ -115,11 +108,8 @@ class PretixScanSecurityProfile(AllowListSecurityProfile):
        ('GET', 'api-v1:event.settings'),
        ('POST', 'api-v1:upload'),
        ('POST', 'api-v1:checkinrpc.redeem'),
        ('POST', 'api-v1:checkinrpc.annull'),
        ('GET', 'api-v1:checkinrpc.search'),
        ('GET', 'api-v1:reusablemedium-list'),
        ('POST', 'api-v1:reusablemedium-lookup'),
        ('PATCH', 'api-v1:reusablemedium-detail')
    )
@@ -154,7 +144,6 @@ class PretixScanNoSyncNoSearchSecurityProfile(AllowListSecurityProfile):
        ('GET', 'api-v1:event.settings'),
        ('POST', 'api-v1:upload'),
        ('POST', 'api-v1:checkinrpc.redeem'),
        ('POST', 'api-v1:checkinrpc.annull'),
        ('GET', 'api-v1:checkinrpc.search'),
    )
@@ -191,7 +180,6 @@ class PretixScanNoSyncSecurityProfile(AllowListSecurityProfile):
        ('GET', 'api-v1:event.settings'),
        ('POST', 'api-v1:upload'),
        ('POST', 'api-v1:checkinrpc.redeem'),
        ('POST', 'api-v1:checkinrpc.annull'),
        ('GET', 'api-v1:checkinrpc.search'),
    )
@@ -202,15 +190,13 @@ def get_all_security_profiles():
    if _ALL_PROFILES:
        return _ALL_PROFILES
-    types = []
+    types = OrderedDict()
    for recv, ret in register_device_security_profile.send(None):
        if isinstance(ret, (list, tuple)):
            for r in ret:
-                types.append(r)
+                types[r.identifier] = r
        else:
-            types.append(ret)
+            types[ret.identifier] = ret
    types.sort(key=lambda el: el.priority, reverse=True)
    types = {r.identifier: r for r in types}
    _ALL_PROFILES = types
    return types
@@ -20,7 +20,6 @@
 # <https://www.gnu.org/licenses/>.
 #
 import json
 import re
 from django.db.models import prefetch_related_objects
 from rest_framework import serializers
@@ -136,30 +135,3 @@ class SalesChannelMigrationMixin:
        else:
            value["sales_channels"] = value["limit_sales_channels"]
        return value
 class CompatDecimalField(serializers.DecimalField):
    """
    Historically, pretix recorded tax rates as decimals with two places. Today, pretix supports tax rates with up to
    four places. Since our API outputs decimals with the stored precision, this would have changed the API output from
    "19.00" to "19.0000" without warning. While this is semantically the same thing, we need to assume some pretix API
    users might run into trouble, either because they treat the value as a string and then map something
    (e.g. ``if tax_rate == "19.00"``) or process it with a language where this is a significant difference. For example,
    while in Python ``Decimal("19.00") == Decimal("19.0000")`` is true, in Java
    ``(new BigDecimal("19.00")).equals(new BigDecimal("19.0000"))`` is false and only
    ``(new BigDecimal("19.00")).compareTo(new BigDecimal("19.0000")) == 0`` is true.
    Therefore, we stay backwards compatible by outputting two decimal places *as long as the trailing digits are zero-valued.
    """
    regex = re.compile(r"^([0-9]+\.[0-9]{2})0+$")
    def to_representation(self, value):
        if self.localize:
            raise ValueError("localization not supported")
        value = super().to_representation(value)
        if value and "." not in value:
            return f"{value}.00"
        if m := self.regex.match(value):
            return m.group(1)
        return value
@@ -88,20 +88,11 @@ class CheckinRPCRedeemInputSerializer(serializers.Serializer):
    nonce = serializers.CharField(required=False, allow_null=True)
    datetime = serializers.DateTimeField(required=False, allow_null=True)
    answers = serializers.JSONField(required=False, allow_null=True)
    exchange_medium_type = serializers.ChoiceField(required=False, choices=MEDIA_TYPES)
    exchange_medium_identifier = serializers.CharField(required=False)
    simulate = serializers.BooleanField(default=False, required=False)
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['lists'].child_relation.queryset = CheckinList.objects.filter(event__in=self.context['events']).select_related('event')
    def validate(self, attrs):
        exchange_fields = ["exchange_medium_type", "exchange_medium_identifier"]
        if any(attrs.get(k) is None for k in exchange_fields) and not all(attrs.get(k) is None for k in exchange_fields):
            raise ValidationError("If you set any of exchange_medium_type or exchange_medium_identifier, you need to set both of them.")
        return attrs
 class MiniCheckinListSerializer(I18nAwareModelSerializer):
    event = serializers.SlugRelatedField(slug_field='slug', read_only=True)
@@ -48,7 +48,7 @@ from rest_framework.fields import ChoiceField, Field
 from rest_framework.relations import SlugRelatedField
 from pretix.api.serializers import (
-    CompatDecimalField, CompatibleJSONField, SalesChannelMigrationMixin,
+    CompatibleJSONField, SalesChannelMigrationMixin,
 )
 from pretix.api.serializers.fields import PluginsField
 from pretix.api.serializers.i18n import I18nAwareModelSerializer
@@ -73,7 +73,7 @@ from pretix.base.settings import (
    LazyI18nStringList, validate_event_settings,
 )
 from pretix.base.signals import api_event_settings_fields
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 logger = logging.getLogger(__name__)
@@ -173,7 +173,7 @@ class EventSerializer(SalesChannelMigrationMixin, I18nAwareModelSerializer):
    )
    def get_event_url(self, event):
-        return eventreverse_absolute(event, 'presale:event.index')
+        return build_absolute_uri(event, 'presale:event.index')
    class Meta:
        model = Event
@@ -681,7 +681,6 @@ class TaxRuleSerializer(CountryFieldMixin, I18nAwareModelSerializer):
        required=False,
        allow_null=True,
    )
    rate = CompatDecimalField(max_digits=7, decimal_places=4)
    class Meta:
        model = TaxRule
@@ -748,7 +747,6 @@ class EventSettingsSerializer(SettingsSerializer):
        'max_items_per_order',
        'reservation_time',
        'contact_mail',
        'contact_url',
        'show_variations_expanded',
        'hide_sold_out',
        'meta_noindex',
@@ -873,7 +871,6 @@ class EventSettingsSerializer(SettingsSerializer):
        'og_image',
        'name_scheme',
        'reusable_media_active',
        'reusable_media_usage_enforced',
        'reusable_media_type_barcode',
        'reusable_media_type_barcode_identifier_length',
        'reusable_media_type_nfc_uid',
@@ -888,7 +885,6 @@ class EventSettingsSerializer(SettingsSerializer):
    readonly_fields = [
        # These are read-only since they are currently only settable on organizers, not events
        'reusable_media_active',
        'reusable_media_usage_enforced',
        'reusable_media_type_barcode',
        'reusable_media_type_barcode_identifier_length',
        'reusable_media_type_nfc_uid',
@@ -974,7 +970,6 @@ class DeviceEventSettingsSerializer(EventSettingsSerializer):
        'reusable_media_type_nfc_uid',
        'reusable_media_type_nfc_mf0aes',
        'reusable_media_type_nfc_mf0aes_random_uid',
        'reusable_media_usage_enforced',
        'system_question_order',
        'tax_rule_payment',
        'tax_rule_cancellation',
@@ -42,9 +42,7 @@ from django.utils.functional import cached_property, lazy
 from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
-from pretix.api.serializers import (
+from pretix.api.serializers import SalesChannelMigrationMixin
    CompatDecimalField, SalesChannelMigrationMixin,
 )
 from pretix.api.serializers.event import MetaDataField
 from pretix.api.serializers.fields import UploadedFileField
 from pretix.api.serializers.i18n import I18nAwareModelSerializer
@@ -278,10 +276,10 @@ class ItemAddOnSerializer(serializers.ModelSerializer):
        return value
-class ItemTaxRateField(CompatDecimalField):
+class ItemTaxRateField(serializers.Field):
    def to_representation(self, i):
        if i.tax_rule:
-            return super().to_representation(Decimal(i.tax_rule.rate))
+            return str(Decimal(i.tax_rule.rate))
        else:
            return str(Decimal('0.00'))
@@ -291,7 +289,7 @@ class ItemSerializer(SalesChannelMigrationMixin, I18nAwareModelSerializer):
    bundles = InlineItemBundleSerializer(many=True, required=False)
    variations = InlineItemVariationSerializer(many=True, required=False)
    program_times = InlineItemProgramTimeSerializer(many=True, required=False)
-    tax_rate = ItemTaxRateField(source='*', read_only=True, max_digits=7, decimal_places=4)
+    tax_rate = ItemTaxRateField(source='*', read_only=True)
    meta_data = MetaDataField(required=False, source='*')
    picture = UploadedFileField(required=False, allow_null=True, allowed_types=(
        'image/png', 'image/jpeg', 'image/gif'
@@ -66,14 +66,13 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        expand_nested = self.context['request'].query_params.getlist('expand')
-        if 'linked_giftcard' in expand_nested:
+        if 'linked_giftcard' in self.context['request'].query_params.getlist('expand'):
            if not self.context["can_read_giftcards"]:
                raise PermissionDenied("No permission to access gift card details.")
            self.fields['linked_giftcard'] = NestedGiftCardSerializer(read_only=True, context=self.context)
-            if 'linked_giftcard.owner_ticket' in expand_nested:
+            if 'linked_giftcard.owner_ticket' in self.context['request'].query_params.getlist('expand'):
                self.fields['linked_giftcard'].fields['owner_ticket'] = NestedOrderPositionSerializer(read_only=True, context=self.context)
        else:
            self.fields['linked_giftcard'] = serializers.PrimaryKeyRelatedField(
@@ -82,27 +81,17 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
                queryset=self.context['organizer'].issued_gift_cards.all()
            )
-        # keep linked_orderposition (singular) for backwards compatibility, will be overwritten in self.validate
+        if 'linked_orderposition' in self.context['request'].query_params.getlist('expand'):
-        self.fields['linked_orderposition'] = serializers.PrimaryKeyRelatedField(
+            # Permission Check performed in to_representation
-            required=False,
+            self.fields['linked_orderposition'] = NestedOrderPositionSerializer(read_only=True)
            allow_null=True,
            queryset=OrderPosition.all.filter(order__event__organizer=self.context['organizer']),
        )
        if 'linked_orderposition' in expand_nested or 'linked_orderpositions' in expand_nested:
            self.fields['linked_orderpositions'] = NestedOrderPositionSerializer(
                many=True,
                read_only=True
            )
        else:
-            self.fields['linked_orderpositions'] = serializers.PrimaryKeyRelatedField(
+            self.fields['linked_orderposition'] = serializers.PrimaryKeyRelatedField(
                many=True,
                required=False,
                allow_null=True,
                queryset=OrderPosition.all.filter(order__event__organizer=self.context['organizer']),
            )
-        if 'customer' in expand_nested:
+        if 'customer' in self.context['request'].query_params.getlist('expand'):
            if not self.context["can_read_customers"]:
                raise PermissionDenied("No permission to access customer details.")
@@ -117,21 +106,6 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
    def validate(self, data):
        data = super().validate(data)
        if 'linked_orderposition' in data:
            linked_orderposition = data['linked_orderposition']
            # backwards-compatibility
            if 'linked_orderpositions' in data:
                raise ValidationError({
                    'linked_orderposition': 'You cannot use linked_orderposition and linked_orderpositions at the same time.'
                })
            if self.instance and self.instance.linked_orderpositions.count() > 1:
                raise ValidationError({
                    'linked_orderposition': 'There are more than one linked_orderposition. You need to use linked_orderpositions.'
                })
            data['linked_orderpositions'] = [linked_orderposition] if linked_orderposition else []
            del data['linked_orderposition']
        if 'type' in data and 'identifier' in data:
            qs = self.context['organizer'].reusable_media.filter(
                identifier=data['identifier'], type=data['type']
@@ -147,28 +121,14 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
    def to_representation(self, instance):
        r = super().to_representation(instance)
        request = self.context.get('request')
        ops = r.get('linked_orderpositions', [])
        # late permission evaluations for checks that depend on the actual linked events
        expand_nested = self.context['request'].query_params.getlist('expand')
        perm_holder = request.auth if isinstance(request.auth, (Device, TeamAPIToken)) else request.user
-        if ops and 'linked_orderposition' in expand_nested or 'linked_orderpositions' in expand_nested:
+        if 'linked_orderposition' in expand_nested:
-            ops_noperm = []
+            if instance.linked_orderposition is not None:
-            for lop in instance.linked_orderpositions.all():
+                event = instance.linked_orderposition.order.event
                event = lop.order.event
                if not perm_holder.has_event_permission(event.organizer, event, 'event.orders:read', request):
-                    ops_noperm.append(lop.id)
+                    r['linked_orderposition'] = {'id': instance.linked_orderposition.id}
            if ops_noperm:
                ops = [
                    {'id': op['id']} if op['id'] in ops_noperm
                    else op
                    for op in ops
                ]
                r['linked_orderpositions'] = ops
        # add linked_orderposition (singular) for backwards compatibility
        if len(ops) < 2:
            r['linked_orderposition'] = ops[0] if ops else None
        if 'linked_giftcard.owner_ticket' in expand_nested:
            gc = instance.linked_giftcard
@@ -188,12 +148,10 @@ class ReusableMediaSerializer(I18nAwareModelSerializer):
            'updated',
            'type',
            'identifier',
            'claim_token',
            'label',
            'active',
            'expires',
            'customer',
-            'linked_orderpositions',
+            'linked_orderposition',
            'linked_giftcard',
            'info',
            'notes',
@@ -41,7 +41,7 @@ from rest_framework.exceptions import ValidationError
 from rest_framework.relations import SlugRelatedField
 from rest_framework.reverse import reverse
-from pretix.api.serializers import CompatDecimalField, CompatibleJSONField
+from pretix.api.serializers import CompatibleJSONField
 from pretix.api.serializers.event import SubEventSerializer
 from pretix.api.serializers.forms import form_field_to_serializer_field
 from pretix.api.serializers.i18n import I18nAwareModelSerializer
@@ -52,7 +52,6 @@ from pretix.api.signals import order_api_details, orderposition_api_details
 from pretix.base.decimal import round_decimal
 from pretix.base.i18n import language
 from pretix.base.invoicing.transmission import get_transmission_types
 from pretix.base.media import MEDIA_TYPES
 from pretix.base.models import (
    CachedFile, Checkin, Customer, Device, GiftCard, Invoice, InvoiceAddress,
    InvoiceLine, Item, ItemVariation, Order, OrderPosition, Question,
@@ -77,7 +76,7 @@ from pretix.base.settings import (
 )
 from pretix.base.signals import register_ticket_outputs
 from pretix.helpers.countries import CachedCountries
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 logger = logging.getLogger(__name__)
@@ -382,7 +381,6 @@ class PrintLogSerializer(serializers.ModelSerializer):
 class FailedCheckinSerializer(I18nAwareModelSerializer):
    error_reason = serializers.ChoiceField(choices=Checkin.REASONS, required=True, allow_null=False)
    raw_barcode = serializers.CharField(required=True, allow_null=False)
    raw_source_type = serializers.ChoiceField(choices=[(k, v) for k, v in MEDIA_TYPES.items()], default='barcode')
    position = serializers.PrimaryKeyRelatedField(queryset=OrderPosition.all.none(), required=False, allow_null=True)
    raw_item = serializers.PrimaryKeyRelatedField(queryset=Item.objects.none(), required=False, allow_null=True)
    raw_variation = serializers.PrimaryKeyRelatedField(queryset=ItemVariation.objects.none(), required=False, allow_null=True)
@@ -392,7 +390,7 @@ class FailedCheckinSerializer(I18nAwareModelSerializer):
    class Meta:
        model = Checkin
        fields = ('error_reason', 'error_explanation', 'raw_barcode', 'raw_item', 'raw_variation',
-                  'raw_subevent', 'raw_source_type', 'nonce', 'datetime', 'type', 'position')
+                  'raw_subevent', 'nonce', 'datetime', 'type', 'position')
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
@@ -593,7 +591,6 @@ class OrderPositionSerializer(I18nAwareModelSerializer):
    country = CompatibleCountryField(source='*')
    attendee_name = serializers.CharField(required=False)
    plugin_data = OrderPositionPluginDataField(source='*', allow_null=True, read_only=True)
    tax_rate = CompatDecimalField(max_digits=7, decimal_places=4)
    class Meta:
        list_serializer_class = OrderPositionListSerializer
@@ -750,8 +747,6 @@ class OrderPaymentDateField(serializers.DateField):
 class OrderFeeSerializer(I18nAwareModelSerializer):
    tax_rate = CompatDecimalField(max_digits=7, decimal_places=4)
    class Meta:
        model = OrderFee
        fields = ('id', 'fee_type', 'value', 'description', 'internal_type', 'tax_rate', 'tax_value', 'tax_rule',
@@ -762,7 +757,7 @@ class PaymentURLField(serializers.URLField):
    def to_representation(self, instance: OrderPayment):
        if instance.state != OrderPayment.PAYMENT_STATE_CREATED:
            return None
-        return eventreverse_absolute(instance.order.event, 'presale:event.order.pay', kwargs={
+        return build_absolute_uri(instance.order.event, 'presale:event.order.pay', kwargs={
            'order': instance.order.code,
            'secret': instance.order.secret,
            'payment': instance.pk,
@@ -811,7 +806,7 @@ class OrderRefundSerializer(I18nAwareModelSerializer):
 class OrderURLField(serializers.URLField):
    def to_representation(self, instance: Order):
-        return eventreverse_absolute(instance.event, 'presale:event.order', kwargs={
+        return build_absolute_uri(instance.event, 'presale:event.order', kwargs={
            'order': instance.code,
            'secret': instance.secret,
        })
@@ -1154,7 +1149,6 @@ class OrderPositionCreateSerializer(I18nAwareModelSerializer):
            raise ValidationError(
                {'discount': ['You can only specify a discount if you do the price computation, but price is not set.']}
            )
        return data
@@ -1594,7 +1588,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
                pos_data['attendee_name_parts'] = {
                    '_legacy': attendee_name
                }
-            pos = OrderPosition(**{k: v for k, v in pos_data.items() if k not in ('answers', '_quotas', 'use_reusable_medium')})
+            pos = OrderPosition(**{k: v for k, v in pos_data.items() if k != 'answers' and k != '_quotas' and k != 'use_reusable_medium'})
            if simulate:
                pos.order = order._wrapped
            else:
@@ -1709,25 +1703,15 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
                        answ.options.add(*options)
                if use_reusable_medium:
-                    if pos.item.media_policy not in (Item.MEDIA_POLICY_APPEND, Item.MEDIA_POLICY_APPEND_OR_NEW):
+                    use_reusable_medium.linked_orderposition = pos
-                        for op_pk in use_reusable_medium.linked_orderpositions.values_list('pk', flat=True):
+                    use_reusable_medium.save(update_fields=['linked_orderposition'])
                            use_reusable_medium.log_action(
                                'pretix.reusable_medium.linked_orderposition.removed',
                                data={
                                    'linked_orderposition': op_pk,
                                }
                            )
                        use_reusable_medium.linked_orderpositions.set([pos])
                    else:
                        use_reusable_medium.linked_orderpositions.add(pos)
                    use_reusable_medium.log_action(
-                        'pretix.reusable_medium.linked_orderposition.added',
+                        'pretix.reusable_medium.linked_orderposition.changed',
                        data={
                            'by_order': order.code,
                            'linked_orderposition': pos.pk,
                        }
                    )
                    use_reusable_medium.touch()
        if not simulate:
            for cp in delete_cps:
@@ -1916,7 +1900,6 @@ class InlineInvoiceLineSerializer(I18nAwareModelSerializer):
    position = LinePositionField(read_only=True)
    event_date_from = serializers.DateTimeField(read_only=True, source="period_start")
    event_date_to = serializers.DateTimeField(read_only=True, source="period_end")
    tax_rate = CompatDecimalField(max_digits=7, decimal_places=4)
    class Meta:
        model = InvoiceLine
@@ -2000,7 +1983,6 @@ class BlockedTicketSecretSerializer(I18nAwareModelSerializer):
 class TransactionSerializer(I18nAwareModelSerializer):
    order = serializers.SlugRelatedField(slug_field="code", read_only=True)
    tax_rate = CompatDecimalField(max_digits=7, decimal_places=4)
    class Meta:
        model = Transaction
@@ -27,7 +27,7 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.db import transaction
 from django.db.models import Q
 from django.utils.crypto import get_random_string
-from django.utils.translation import gettext, gettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
@@ -58,8 +58,8 @@ from pretix.helpers.permission_migration import (
    OLD_TO_NEW_EVENT_COMPAT, OLD_TO_NEW_EVENT_MIGRATION,
    OLD_TO_NEW_ORGANIZER_COMPAT, OLD_TO_NEW_ORGANIZER_MIGRATION,
 )
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri as build_global_uri
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 logger = logging.getLogger(__name__)
@@ -71,7 +71,7 @@ class OrganizerSerializer(I18nAwareModelSerializer):
    slug = serializers.CharField(read_only=True)
    def get_organizer_url(self, organizer):
-        return eventreverse_absolute(organizer, 'presale:organizer.index')
+        return build_absolute_uri(organizer, 'presale:organizer.index')
    class Meta:
        model = Organizer
@@ -492,16 +492,14 @@ class TeamInviteSerializer(serializers.ModelSerializer):
    def _send_invite(self, instance):
        mail(
            instance.email,
-            gettext('You\'ve been invited to join %(organizer)s') % {
+            _('Account invitation'),
                'organizer': self.context['organizer'].name,
            },
            'pretixcontrol/email/invitation.txt',
            {
                'instance': settings.PRETIX_INSTANCE_NAME,
                'user': self,
                'organizer': self.context['organizer'].name,
                'team': instance.team.name,
-                'url': mainreverse_absolute('control:auth.invite', kwargs={
+                'url': build_global_uri('control:auth.invite', kwargs={
                    'token': instance.token
                })
            },
@@ -576,7 +574,6 @@ class OrganizerSettingsSerializer(SettingsSerializer):
        'customer_accounts_require_login_for_order_access',
        'invoice_regenerate_allowed',
        'contact_mail',
        'contact_url',
        'imprint_url',
        'organizer_info_text',
        'event_list_type',
@@ -608,7 +605,6 @@ class OrganizerSettingsSerializer(SettingsSerializer):
        'cookie_consent_dialog_button_yes',
        'cookie_consent_dialog_button_no',
        'reusable_media_active',
        'reusable_media_usage_enforced',
        'reusable_media_type_barcode',
        'reusable_media_type_barcode_identifier_length',
        'reusable_media_type_nfc_uid',
@@ -69,10 +69,8 @@ from pretix.base.models import (
 from pretix.base.models.orders import PrintLog
 from pretix.base.permissions import AnyPermissionOf
 from pretix.base.services.checkin import (
-    CheckInError, RequiredMediaExchangeError, RequiredQuestionsError, SQLLogic,
+    CheckInError, RequiredQuestionsError, SQLLogic, perform_checkin,
    perform_checkin,
 )
 from pretix.base.services.media import perform_media_exchange
 from pretix.base.signals import checkin_annulled
 from pretix.helpers import OF_SELF
@@ -139,7 +137,6 @@ class CheckinListViewSet(viewsets.ModelViewSet):
            )
        return qs
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -154,7 +151,6 @@ class CheckinListViewSet(viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -458,8 +454,7 @@ def _checkin_list_position_queryset(checkinlists, ignore_status=False, ignore_pr
 def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force, checkin_type, ignore_unpaid, nonce,
                    untrusted_input, user, auth, expand, pdf_data, request, questions_supported, canceled_supported,
-                    source_type='barcode', legacy_url_support=False, simulate=False, gate=None, use_order_locale=False,
+                    source_type='barcode', legacy_url_support=False, simulate=False, gate=None, use_order_locale=False):
                    exchange_medium_type=None, exchange_medium_identifier=None):
    if not checkinlists:
        raise ValidationError('No check-in list passed.')
@@ -468,7 +463,6 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
    device = auth if isinstance(auth, Device) else None
    gate = gate or (auth.gate if isinstance(auth, Device) else None)
    medium = None
    context = {
        'request': request,
@@ -497,7 +491,6 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
    )
    raw_barcode_for_checkin = None
    from_revoked_secret = False
    reusable_medium_used = None
    if simulate:
        common_checkin_args['__fake_arg_to_prevent_this_from_being_saved'] = True
@@ -528,12 +521,11 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
    #    with respecting the force option), or it's a reusable medium (-> proceed with that)
    if not op_candidates:
        try:
-            medium = ReusableMedium.objects.active().filter(
+            media = ReusableMedium.objects.select_related('linked_orderposition').active().get(
                Exists(ReusableMedium.linked_orderpositions.through.objects.filter(reusablemedium_id=OuterRef('pk')))
            ).get(
                organizer_id=checkinlists[0].event.organizer_id,
                type=source_type,
                identifier=raw_barcode,
                linked_orderposition__isnull=False,
            )
            raw_barcode_for_checkin = raw_barcode
        except ReusableMedium.DoesNotExist:
@@ -636,9 +628,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                    'list': MiniCheckinListSerializer(list_by_event[revoked_matches[0].event_id]).data,
                }, status=400)
        else:
-            linked_ops = medium.linked_orderpositions.all().select_related("order").prefetch_related("addons")
+            if media.linked_orderposition.order.event_id not in list_by_event:
            linked_event_ids = {op.order.event_id for op in linked_ops}
            if not any(event_id in list_by_event for event_id in linked_event_ids):
                # Medium exists but connected ticket is for the wrong event
                if not simulate:
                    checkinlists[0].event.log_action('pretix.event.checkin.unknown', data={
@@ -664,91 +654,28 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                    'checkin_texts': [],
                    'list': MiniCheckinListSerializer(checkinlists[0]).data,
                }, status=404)
-            op_candidates = []
+            op_candidates = [media.linked_orderposition]
-            for op in linked_ops:
+            if list_by_event[media.linked_orderposition.order.event_id].addon_match:
-                if op.order.event_id in list_by_event:
+                op_candidates += list(media.linked_orderposition.addons.all())
                    reusable_medium_used = medium
                    op_candidates.append(op)
                    if list_by_event[op.order.event_id].addon_match:
                        op_candidates += list(op.addons.all())
    # 3. Handle the "multiple options found" case: Except for the unlikely case of a secret being also a valid primary
-    #    key on the same list, we're probably dealing with multiple linked_orderpositions or the ``addon_match`` case
+    #    key on the same list, we're probably dealing with the ``addon_match`` case here and need to figure out
-    #    here and need to figure out which op has the right product. This basically is a valid-for-checkin-test on every op.
+    #    which add-on has the right product.
    if len(op_candidates) > 1:
        op_candidates_matching_product = [
            op for op in op_candidates
            if (
                (list_by_event[op.order.event_id].addon_match or op.secret == raw_barcode or legacy_url_support) and
                (list_by_event[op.order.event_id].all_products or op.item_id in {i.pk for i in list_by_event[op.order.event_id].limit_products.all()})
            )
        ]
-        if not reusable_medium_used:
+        if len(op_candidates_matching_product) == 0:
-            # 3a. First, we clean up that we made an imprecise query above. If a scan is made for multiple check-in lists,
+            # None of the found add-ons has the correct product, too bad! We could just error out here, but
            # we have queried ``addon_to__secret=raw_barcode``, even if some of the lists in question do not allow addon
            # matching. So we accept all candidates that match one of these cases:
            # - Exactly the ticket secret we scanned (because that's always a possible result)
            # - Exactly the ticket pk we scanned (on legacy endpoints)
            # - An add-on on a list that allows add-on matching
            # This is not necessary when a reusable media was used, since in that case we already obeyed list.addon_match
            # correctly above.
            op_candidates_filtered = [
                op for op in op_candidates
                if (
                    op.secret == raw_barcode or
                    list_by_event[op.order.event_id].addon_match or
                    (str(op.pk) == raw_barcode and legacy_url_support and not untrusted_input)
                )
            ]
        else:
            op_candidates_filtered = op_candidates
        if len(op_candidates_filtered) > 1:
            # 3b. If we still have multiple candidates, we filter by product based on the check-in list configuration.
            # This is relevant for the addon_match scenario where the scanned ticket has multiple add-ons, but only
            # one is contained in the check-in list used to scan. It makes sense to filter this first, since it is a
            # "static" check, i.e. scanning the same QR code on the same check-in list will always do the same, no matter
            # when I scan it, and it is "intentional" filtering in the sense that the admin configured this behaviour
            # into the check-in list.
            op_candidates_filtered = [
                op for op in op_candidates_filtered
                if list_by_event[op.order.event_id].all_products or op.item_id in {i.pk for i in list_by_event[op.order.event_id].limit_products.all()}
            ]
        if len(op_candidates_filtered) > 1:
            # 3c. If we still have multiple candidates, we filter by validity date. This was introduced for the case where
            # a reusable media refers to two tickets, one currently valid and one expired or in the future. Howeer,
            # it could in theory also happen with two add-ons being on the same check-in list but without overlapping
            # validity. It makes sense to filter this "after" the previous checks since it is not "intentional" filtering
            # configured by the admin but "accidental" filtering that depends on the time of execution.
            op_candidates_filtered = [
                op for op in op_candidates_filtered
                if (
                    (not op.valid_from or op.valid_from <= datetime) and
                    (not op.valid_until or op.valid_until > datetime)
                )
            ]
        if len(op_candidates_filtered) == 0:
            # None of the ops is valid today or has the correct product, too bad! We could just error out here, but
            # instead we just continue with *any* product and have it rejected by the check in perform_checkin.
-            # To improve the error message, we select the op that will "work next" or - if none matches - "worked last".
+            # This has the advantage of a better error message.
-            op_candidate = None
+            op_candidates = [op_candidates[0]]
-            for op in op_candidates:
+        elif len(op_candidates_matching_product) > 1:
                if (
                    op.valid_from and op.valid_from > datetime and
                    (not op_candidate or op.valid_from < op_candidate.valid_from)
                ):
                    op_candidate = op
            if not op_candidate:
                # no candidate in the future, get closest in the past
                for op in op_candidates:
                    if (
                        op.valid_until and op.valid_until < datetime and
                        (not op_candidate or op.valid_until > op_candidate.valid_until)
                    ):
                        op_candidate = op
            if not op_candidate:
                op_candidate = op_candidates[0]
            op_candidates = [op_candidate]
        elif len(op_candidates_filtered) > 1:
            # It's still ambiguous, we'll error out.
            # We choose the first match (regardless of product) for the logging since it's most likely to be the
            # base product according to our order_by above.
@@ -782,7 +709,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
            }, status=400)
        else:
-            op_candidates = op_candidates_filtered
+            op_candidates = op_candidates_matching_product
    op = op_candidates[0]
    common_checkin_args['list'] = list_by_event[op.order.event_id]
@@ -794,10 +721,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
            if str(q.pk) in answers_data:
                try:
                    if q.type == Question.TYPE_FILE:
-                        if answers_data[str(q.pk)]:
+                        given_answers[q] = _handle_file_upload(answers_data[str(q.pk)], user, auth)
                            given_answers[q] = _handle_file_upload(answers_data[str(q.pk)], user, auth)
                        else:
                            given_answers[q] = None
                    else:
                        given_answers[q] = q.clean_answer(answers_data[str(q.pk)])
                except (ValidationError, BaseValidationError):
@@ -810,14 +734,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
        locale = op.order.event.settings.locale
    with language(locale):
        try:
-            if exchange_medium_identifier and medium:
+            perform_checkin(
                # Cannot scan a medium and then request to exchange it
                raise CheckInError(
                    gettext('You cannot exchange a medium for a medium.'),
                    'error'
                )
            checkin_args = dict(
                op=op,
                clist=list_by_event[op.order.event_id],
                given_answers=given_answers,
@@ -835,30 +752,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                from_revoked_secret=from_revoked_secret,
                simulate=simulate,
                gate=gate,
                reusable_medium=medium,
            )
            if exchange_medium_identifier:  # other fields are filled, see CheckinRPCRedeemInputSerializer.validate
                if simulate:
                    raise CheckInError(
                        gettext('You cannot simulate a medium exchange.'),
                        'error'
                    )
                with transaction.atomic():
                    # Do exchange and check-in atomically, i.e. both succeed or both fail
                    medium = perform_media_exchange(
                        organizer=request.organizer,
                        media_type=exchange_medium_type,
                        identifier=exchange_medium_identifier,
                        link_orderposition=op,
                        user=user,
                        auth=auth,
                    )
                    source_type = medium.media_type.identifier
                    checkin_args['reusable_medium'] = medium
                    perform_checkin(**checkin_args)
            else:
                perform_checkin(**checkin_args)
        except RequiredQuestionsError as e:
            return Response({
                'status': 'incomplete',
@@ -870,18 +764,6 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                ],
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
            }, status=400)
        except RequiredMediaExchangeError as e:
            return Response({
                'status': 'exchange',
                'require_attention': op.require_checkin_attention,
                'checkin_texts': op.checkin_texts,
                'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, op.order.event)).data,
                'media_policy': e.media_policy,
                'media_type': e.media_type,
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
                'reason': e.code,
                'reason_explanation': e.msg,
            }, status=400)
        except CheckInError as e:
            if not simulate:
                op.order.log_action('pretix.event.checkin.denied', data={
@@ -1069,9 +951,6 @@ class CheckinRPCRedeemView(views.APIView):
            canceled_supported=True,
            request=self.request,  # this is not clean, but we need it in the serializers for URL generation
            legacy_url_support=False,
            exchange_medium_type=s.validated_data.get('exchange_medium_type'),
            exchange_medium_identifier=s.validated_data.get('exchange_medium_identifier'),
            simulate=s.validated_data.get('simulate'),
        )
@@ -32,7 +32,6 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
 from django.db import transaction
 from django_filters.rest_framework import DjangoFilterBackend, FilterSet
 from django_scopes import scopes_disabled
 from rest_framework import viewsets
@@ -65,7 +64,6 @@ class DiscountViewSet(ConditionalListView, viewsets.ModelViewSet):
            'limit_sales_channels',
        )
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -80,7 +78,6 @@ class DiscountViewSet(ConditionalListView, viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -90,7 +87,6 @@ class DiscountViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('You cannot delete this discount because it already has '
@@ -45,7 +45,6 @@ from rest_framework.exceptions import (
    NotFound, PermissionDenied, ValidationError,
 )
 from rest_framework.generics import get_object_or_404
 from rest_framework.mixins import UpdateModelMixin
 from rest_framework.response import Response
 from pretix.api.auth.permission import EventCRUDPermission
@@ -257,7 +256,6 @@ class EventViewSet(viewsets.ModelViewSet):
                data=self.request.data
            )
    @transaction.atomic()
    def perform_create(self, serializer):
        copy_from = None
        if 'clone_from' in self.request.GET:
@@ -321,7 +319,6 @@ class EventViewSet(viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('The event can not be deleted as it already contains orders. Please set \'live\''
@@ -357,7 +354,6 @@ class CloneEventViewSet(viewsets.ModelViewSet):
        ctx['organizer'] = self.request.organizer
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        # Weird edge case: Requires settings permission on the event (to read) but also on the organizer (two write)
        perm_holder = (self.request.auth if isinstance(self.request.auth, (Device, TeamAPIToken))
@@ -516,7 +512,6 @@ class SubEventViewSet(ConditionalListView, viewsets.ModelViewSet):
        resp['X-Page-Generated'] = date
        return resp
    @transaction.atomic()
    def perform_update(self, serializer):
        original_data = self.get_serializer(instance=serializer.instance).data
        super().perform_update(serializer)
@@ -533,7 +528,6 @@ class SubEventViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -543,7 +537,6 @@ class SubEventViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('The sub-event can not be deleted as it has already been used in orders. Please set'
@@ -572,7 +565,6 @@ class TaxRuleViewSet(ConditionalListView, viewsets.ModelViewSet):
    def get_queryset(self):
        return self.request.event.tax_rules.all()
    @transaction.atomic()
    def perform_update(self, serializer):
        super().perform_update(serializer)
        serializer.instance.log_action(
@@ -582,7 +574,6 @@ class TaxRuleViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -592,7 +583,6 @@ class TaxRuleViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('This tax rule can not be deleted as it is currently in use.')
@@ -721,7 +711,7 @@ class SeatFilter(FilterSet):
        fields = ('zone_name', 'row_name', 'row_label', 'seat_number', 'seat_label', 'seat_guid', 'blocked',)
-class SeatViewSet(ConditionalListView, UpdateModelMixin, viewsets.ReadOnlyModelViewSet):
+class SeatViewSet(ConditionalListView, viewsets.ModelViewSet):
    serializer_class = SeatSerializer
    queryset = Seat.objects.none()
    write_permission = 'event.settings.general:write'
@@ -766,7 +756,6 @@ class SeatViewSet(ConditionalListView, UpdateModelMixin, viewsets.ReadOnlyModelV
        }
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        super().perform_update(serializer)
        serializer.instance.event.log_action(
@@ -776,7 +765,6 @@ class SeatViewSet(ConditionalListView, UpdateModelMixin, viewsets.ReadOnlyModelV
            data={"seats": [serializer.instance.pk]},
        )
    @transaction.atomic()
    def bulk_change_blocked(self, blocked):
        s = SeatBulkBlockInputSerializer(
            data=self.request.data,
@@ -23,7 +23,6 @@ from datetime import timedelta
 from celery.result import AsyncResult
 from django.conf import settings
 from django.db import transaction
 from django.http import Http404
 from django.shortcuts import get_object_or_404
 from django.utils.functional import cached_property
@@ -46,8 +45,7 @@ from pretix.base.models import (
 )
 from pretix.base.models.organizer import TeamQuerySet
 from pretix.base.services.export import (
-    ExportError, export, init_event_exporters, init_organizer_exporters,
+    export, init_event_exporters, init_organizer_exporters, multiexport,
    multiexport,
 )
 from pretix.helpers.http import ChunkBasedFileResponse
@@ -151,11 +149,8 @@ class EventExportersViewSet(ExportersMixin, viewsets.ViewSet):
        ))
        exporters = []
        for ex in sorted(raw_exporters, key=lambda ex: str(ex.verbose_name)):
-            try:
+            ex._serializer = JobRunSerializer(exporter=ex)
-                ex._serializer = JobRunSerializer(exporter=ex)
+            exporters.append(ex)
                exporters.append(ex)
            except ExportError:
                pass
        return exporters
    def do_export(self, cf, instance, data):
@@ -185,11 +180,8 @@ class OrganizerExportersViewSet(ExportersMixin, viewsets.ViewSet):
        ))
        exporters = []
        for ex in sorted(raw_exporters, key=lambda ex: str(ex.verbose_name)):
-            try:
+            ex._serializer = JobRunSerializer(exporter=ex)
-                ex._serializer = JobRunSerializer(exporter=ex)
+            exporters.append(ex)
                exporters.append(ex)
            except ExportError:
                pass
        return exporters
    def do_export(self, cf, instance, data):
@@ -228,7 +220,6 @@ class ScheduledEventExportViewSet(ScheduledExportersViewSet):
            qs = self.request.event.scheduled_exports
        return qs.select_related("owner")
    @transaction.atomic()
    def perform_create(self, serializer):
        if not self.request.user.is_authenticated:
            raise PermissionDenied('Creation of exports requires user-specific API access.')
@@ -259,7 +250,6 @@ class ScheduledEventExportViewSet(ScheduledExportersViewSet):
        ))
        return {e.identifier: e for e in exporters}
    @transaction.atomic()
    def perform_update(self, serializer):
        if not self.request.user.is_authenticated or self.request.user != serializer.instance.owner:
            # This is to prevent a possible privilege escalation where user A creates a scheduled export and
@@ -285,7 +275,6 @@ class ScheduledEventExportViewSet(ScheduledExportersViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        self.request.event.log_action(
            'pretix.event.export.schedule.deleted',
@@ -313,7 +302,6 @@ class ScheduledOrganizerExportViewSet(ScheduledExportersViewSet):
            qs = self.request.organizer.scheduled_exports
        return qs.select_related("owner")
    @transaction.atomic()
    def perform_create(self, serializer):
        if not self.request.user.is_authenticated:
            raise PermissionDenied('Creation of exports requires user-specific API access.')
@@ -344,7 +332,6 @@ class ScheduledOrganizerExportViewSet(ScheduledExportersViewSet):
        ))
        return {e.identifier: e for e in exporters}
    @transaction.atomic()
    def perform_update(self, serializer):
        if not self.request.user.is_authenticated or self.request.user != serializer.instance.owner:
            # This is to prevent a possible privilege escalation where user A creates a scheduled export and
@@ -395,7 +382,6 @@ class ScheduledOrganizerExportViewSet(ScheduledExportersViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        self.request.organizer.log_action(
            'pretix.organizer.export.schedule.deleted',
@@ -33,7 +33,6 @@
 # License for the specific language governing permissions and limitations under the License.
 import django_filters
 from django.db import transaction
 from django.db.models import Q
 from django.shortcuts import get_object_or_404
 from django.utils.functional import cached_property
@@ -110,7 +109,6 @@ class ItemViewSet(ConditionalListView, viewsets.ModelViewSet):
            'limit_sales_channels', 'variations__limit_sales_channels', 'program_times'
        ).all()
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -125,7 +123,6 @@ class ItemViewSet(ConditionalListView, viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        original_data = self.get_serializer(instance=serializer.instance).data
@@ -142,7 +139,6 @@ class ItemViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('This item cannot be deleted because it has already been ordered '
@@ -187,7 +183,6 @@ class ItemVariationViewSet(viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        item = self.item
        if not item.has_variations:
@@ -202,7 +197,6 @@ class ItemVariationViewSet(viewsets.ModelViewSet):
                             {'value': serializer.instance.value})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.item.log_action(
@@ -213,7 +207,6 @@ class ItemVariationViewSet(viewsets.ModelViewSet):
                             {'value': serializer.instance.value})
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied('This variation cannot be deleted because it has already been ordered '
@@ -256,7 +249,6 @@ class ItemBundleViewSet(viewsets.ModelViewSet):
        ctx['item'] = self.item
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        item = get_object_or_404(Item, pk=self.kwargs['item'], event=self.request.event)
        serializer.save(base_item=item)
@@ -267,7 +259,6 @@ class ItemBundleViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.base_item.log_action(
@@ -277,7 +268,6 @@ class ItemBundleViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        super().perform_destroy(instance)
        instance.base_item.log_action(
@@ -313,7 +303,6 @@ class ItemProgramTimeViewSet(viewsets.ModelViewSet):
        ctx['item'] = self.item
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        item = get_object_or_404(Item, pk=self.kwargs['item'], event=self.request.event)
        serializer.save(item=item)
@@ -324,7 +313,6 @@ class ItemProgramTimeViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.item.log_action(
@@ -334,7 +322,6 @@ class ItemProgramTimeViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        super().perform_destroy(instance)
        instance.item.log_action(
@@ -367,7 +354,6 @@ class ItemAddOnViewSet(viewsets.ModelViewSet):
        ctx['item'] = self.item
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        item = self.item
        category = get_object_or_404(ItemCategory, pk=self.request.data['addon_category'])
@@ -379,7 +365,6 @@ class ItemAddOnViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'ORDER': serializer.instance.position}, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.base_item.log_action(
@@ -389,7 +374,6 @@ class ItemAddOnViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'ORDER': serializer.instance.position}, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        super().perform_destroy(instance)
        instance.base_item.log_action(
@@ -419,7 +403,6 @@ class ItemCategoryViewSet(ConditionalListView, viewsets.ModelViewSet):
    def get_queryset(self):
        return self.request.event.categories.all()
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -434,7 +417,6 @@ class ItemCategoryViewSet(ConditionalListView, viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -444,7 +426,6 @@ class ItemCategoryViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        for item in instance.items.all():
            item.category = None
@@ -477,7 +458,6 @@ class QuestionViewSet(ConditionalListView, viewsets.ModelViewSet):
    def get_queryset(self):
        return self.request.event.questions.prefetch_related('options').all()
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -492,7 +472,6 @@ class QuestionViewSet(ConditionalListView, viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -502,7 +481,6 @@ class QuestionViewSet(ConditionalListView, viewsets.ModelViewSet):
            data=self.request.data
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        instance.log_action(
            'pretix.event.question.deleted',
@@ -531,7 +509,6 @@ class QuestionOptionViewSet(viewsets.ModelViewSet):
        ctx['question'] = get_object_or_404(Question, pk=self.kwargs['question'], event=self.request.event)
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        q = get_object_or_404(Question, pk=self.kwargs['question'], event=self.request.event)
        serializer.save(question=q)
@@ -542,7 +519,6 @@ class QuestionOptionViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'ORDER': serializer.instance.position}, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.question.log_action(
@@ -552,7 +528,6 @@ class QuestionOptionViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'ORDER': serializer.instance.position}, {'id': serializer.instance.pk})
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        instance.question.log_action(
            'pretix.event.question.option.deleted',
@@ -611,7 +586,6 @@ class QuotaViewSet(ConditionalListView, viewsets.ModelViewSet):
        serializer = self.get_serializer(page, many=True)
        return self.get_paginated_response(serializer.data)
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -634,7 +608,6 @@ class QuotaViewSet(ConditionalListView, viewsets.ModelViewSet):
        ctx['request'] = self.request
        return ctx
    @transaction.atomic()
    def perform_update(self, serializer):
        original_data = self.get_serializer(instance=serializer.instance).data
@@ -690,7 +663,6 @@ class QuotaViewSet(ConditionalListView, viewsets.ModelViewSet):
                )
        serializer.instance.rebuild_cache()
    @transaction.atomic()
    def perform_destroy(self, instance):
        instance.log_action(
            'pretix.event.quota.deleted',
@@ -53,12 +53,10 @@ with scopes_disabled():
        customer = django_filters.CharFilter(field_name='customer__identifier')
        updated_since = django_filters.IsoDateTimeFilter(field_name='updated', lookup_expr='gte')
        created_since = django_filters.IsoDateTimeFilter(field_name='created', lookup_expr='gte')
        # backwards-compatible
        linked_orderposition = django_filters.NumberFilter(field_name='linked_orderpositions__id')
        class Meta:
            model = ReusableMedium
-            fields = ['identifier', 'type', 'active', 'customer', 'linked_orderpositions', 'linked_giftcard']
+            fields = ['identifier', 'type', 'active', 'customer', 'linked_orderposition', 'linked_giftcard']
 class ReusableMediaViewSet(viewsets.ModelViewSet):
@@ -77,7 +75,7 @@ class ReusableMediaViewSet(viewsets.ModelViewSet):
        ).order_by().values('card').annotate(s=Sum('value')).values('s')
        return self.request.organizer.reusable_media.prefetch_related(
            Prefetch(
-                'linked_orderpositions',
+                'linked_orderposition',
                queryset=OrderPosition.objects.select_related(
                    'order', 'order__event', 'order__event__organizer', 'seat',
                ).prefetch_related(
@@ -119,38 +117,14 @@ class ReusableMediaViewSet(viewsets.ModelViewSet):
    @transaction.atomic()
    def perform_update(self, serializer):
-        rm = ReusableMedium.objects.select_for_update(of=OF_SELF).get(pk=self.get_object().pk)
+        ReusableMedium.objects.select_for_update(of=OF_SELF).get(pk=self.get_object().pk)
        prev_linked_ops_pks = list(rm.linked_orderpositions.values_list("pk", flat=True))
        inst = serializer.save(identifier=serializer.instance.identifier, type=serializer.instance.type)
-        linked_ops_pks = inst.linked_orderpositions.values_list("pk", flat=True)
+        inst.log_action(
-        for op_pk in prev_linked_ops_pks:
+            'pretix.reusable_medium.changed',
-            if op_pk not in linked_ops_pks:
+            user=self.request.user,
-                inst.log_action(
+            auth=self.request.auth,
-                    'pretix.reusable_medium.linked_orderposition.removed',
+            data=self.request.data,
-                    user=self.request.user,
+        )
                    auth=self.request.auth,
                    data={
                        'linked_orderposition': op_pk,
                    }
                )
        for op_pk in linked_ops_pks:
            if op_pk not in prev_linked_ops_pks:
                inst.log_action(
                    'pretix.reusable_medium.linked_orderposition.added',
                    user=self.request.user,
                    auth=self.request.auth,
                    data={
                        'linked_orderposition': op_pk,
                    }
                )
        data = {k: v for k, v in self.request.data.items() if k not in ('linked_orderposition', 'linked_orderpositions')}
        if data:
            inst.log_action(
                'pretix.reusable_medium.changed',
                user=self.request.user,
                auth=self.request.auth,
                data=data,
            )
        return inst
    def perform_destroy(self, instance):
@@ -183,6 +157,7 @@ class ReusableMediaViewSet(viewsets.ModelViewSet):
                        type=s.validated_data["type"],
                        identifier=s.validated_data["identifier"],
                    )
                m.linked_orderposition = None  # not relevant for cross-organizer
                m.customer = None  # not relevant for cross-organizer
                s = self.get_serializer(m)
                return Response({"result": s.data})
@@ -196,7 +171,7 @@ class ReusableMediaViewSet(viewsets.ModelViewSet):
            return Response({"result": None})
-    @scopes_disabled()  # we are sure enough that get_queryset() is correct, so we save some performance
+    @scopes_disabled()  # we are sure enough that get_queryset() is correct, so we save some perforamnce
    def list(self, request, **kwargs):
        date = serializers.DateTimeField().to_representation(now())
        queryset = self.filter_queryset(self.get_queryset())
@@ -194,7 +194,7 @@ with scopes_disabled():
                )
            ).values('id')
-            matching_media = ReusableMedium.objects.filter(identifier=u).values_list('linked_orderpositions__order_id', flat=True)
+            matching_media = ReusableMedium.objects.filter(identifier=u).values_list('linked_orderposition__order_id', flat=True)
            mainq = (
                code
@@ -1034,7 +1034,7 @@ with scopes_disabled():
        search = django_filters.CharFilter(method='search_qs')
        def search_qs(self, queryset, name, value):
-            matching_media = ReusableMedium.objects.filter(identifier=value).values_list('linked_orderpositions', flat=True)
+            matching_media = ReusableMedium.objects.filter(identifier=value).values_list('linked_orderposition', flat=True)
            return queryset.filter(
                Q(secret__istartswith=value)
                | Q(attendee_name_cached__icontains=value)
@@ -1658,7 +1658,6 @@ class PaymentViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
                        count_waitinglist=False,
                        force=request.data.get('force', False),
                        send_mail=send_mail,
                        ignore_date=request.data.get('force', False),
                    )
                except Quota.QuotaExceededException:
                    pass
@@ -1694,8 +1693,7 @@ class PaymentViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
                            auth=self.request.auth,
                            count_waitinglist=False,
                            send_mail=send_mail,
-                            force=force,
+                            force=force)
                            ignore_date=force)
        except Quota.QuotaExceededException as e:
            return Response({'detail': str(e)}, status=status.HTTP_400_BAD_REQUEST)
        except PaymentException as e:
@@ -394,7 +394,6 @@ class TeamViewSet(viewsets.ModelViewSet):
        )
        return inst
    @transaction.atomic()
    def perform_destroy(self, instance):
        instance.log_action('pretix.team.deleted', user=self.request.user, auth=self.request.auth)
        instance.delete()
@@ -694,7 +693,6 @@ class MembershipTypeViewSet(viewsets.ModelViewSet):
        ctx['organizer'] = self.request.organizer
        return ctx
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied("Can only be deleted if unused.")
@@ -835,7 +833,6 @@ class SalesChannelViewSet(viewsets.ModelViewSet):
        )
        return inst
    @transaction.atomic()
    def perform_destroy(self, instance):
        if not instance.allow_delete():
            raise PermissionDenied("Can only be deleted if unused.")
@@ -20,7 +20,6 @@
 # <https://www.gnu.org/licenses/>.
 #
 import django_filters
 from django.db import transaction
 from django_filters.rest_framework import DjangoFilterBackend, FilterSet
 from django_scopes import scopes_disabled
 from rest_framework import viewsets
@@ -63,7 +62,6 @@ class WaitingListViewSet(viewsets.ModelViewSet):
        ctx['event'] = self.request.event
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        serializer.save(event=self.request.event)
        serializer.instance.log_action(
@@ -72,7 +70,6 @@ class WaitingListViewSet(viewsets.ModelViewSet):
            auth=self.request.auth,
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        if serializer.instance.voucher:
            raise PermissionDenied('This entry can not be changed as it has already been assigned a voucher.')
@@ -83,7 +80,6 @@ class WaitingListViewSet(viewsets.ModelViewSet):
            auth=self.request.auth,
        )
    @transaction.atomic()
    def perform_destroy(self, instance):
        if instance.voucher:
            raise PermissionDenied('This entry can not be deleted as it has already been assigned a voucher.')
@@ -20,7 +20,6 @@
 # <https://www.gnu.org/licenses/>.
 #
 import django_filters
 from django.db import transaction
 from django_filters.rest_framework import DjangoFilterBackend, FilterSet
 from rest_framework import viewsets
@@ -49,7 +48,6 @@ class WebHookViewSet(viewsets.ModelViewSet):
        ctx['organizer'] = self.request.organizer
        return ctx
    @transaction.atomic()
    def perform_create(self, serializer):
        inst = serializer.save(organizer=self.request.organizer)
        self.request.organizer.log_action(
@@ -59,7 +57,6 @@ class WebHookViewSet(viewsets.ModelViewSet):
            data=merge_dicts(self.request.data, {'id': inst.pk})
        )
    @transaction.atomic()
    def perform_update(self, serializer):
        inst = serializer.save(organizer=self.request.organizer)
        self.request.organizer.log_action(
@@ -70,7 +67,6 @@ class WebHookViewSet(viewsets.ModelViewSet):
        )
        return inst
    @transaction.atomic()
    def perform_destroy(self, instance):
        self.request.organizer.log_action(
            'pretix.webhook.changed',
@@ -23,7 +23,6 @@ import sys
 from django.conf import settings
 from django.urls import reverse
 from django.utils.html import escape, format_html
 from django.utils.safestring import mark_safe
 from django.utils.translation import gettext
@@ -36,23 +35,21 @@ def get_powered_by(request, safelink=True):
    d = gs.settings.license_check_input
    if d.get('poweredby_name'):
        if d.get('poweredby_url'):
-            msg = format_html(
+            msg = gettext('<a {a_name_attr}>powered by {name}</a> <a {a_attr}>based on pretix</a>').format(
                gettext('<a {a_name_attr}>powered by {name}</a> <a {a_attr}>based on pretix</a>'),
                name=d['poweredby_name'],
-                a_name_attr=mark_safe('href="{}" target="_blank" rel="noopener"'.format(
+                a_name_attr='href="{}" target="_blank" rel="noopener"'.format(
-                    escape(sl(d['poweredby_url'])) if safelink else escape(d['poweredby_url']),
+                    sl(d['poweredby_url']) if safelink else d['poweredby_url'],
-                )),
+                ),
-                a_attr=mark_safe('href="{}" target="_blank" rel="noopener"'.format(
+                a_attr='href="{}" target="_blank" rel="noopener"'.format(
                    sl('https://pretix.eu') if safelink else 'https://pretix.eu',
-                ))
+                )
            )
        else:
-            msg = format_html(
+            msg = gettext('<a {a_attr}>powered by {name} based on pretix</a>').format(
                gettext('<a {a_attr}>powered by {name} based on pretix</a>'),
                name=d['poweredby_name'],
-                a_attr=mark_safe('href="{}" target="_blank" rel="noopener"'.format(
+                a_attr='href="{}" target="_blank" rel="noopener"'.format(
                    sl('https://pretix.eu') if safelink else 'https://pretix.eu',
-                ))
+                )
            )
    else:
        msg = gettext('<a %(a_attr)s>ticketing powered by pretix</a>') % {
@@ -36,7 +36,7 @@ from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 from requests import RequestException
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 logger = logging.getLogger(__name__)
@@ -313,7 +313,7 @@ def _get_or_create_server_keypair(organizer):
 def generate_id_token(customer, client, auth_time, nonce, scope, expires: datetime, scope_claims=False, with_code=None, with_access_token=None):
    payload = {
-        'iss': eventreverse_absolute(client.organizer, 'presale:organizer.index').rstrip('/'),
+        'iss': build_absolute_uri(client.organizer, 'presale:organizer.index').rstrip('/'),
        'aud': client.client_id,
        'exp': int(expires.timestamp()),
        'iat': int(time.time()),
@@ -28,7 +28,7 @@ from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from pretix.base.models import Checkin, InvoiceAddress, Order, Question
 from pretix.base.settings import PERSON_NAME_SCHEMES
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 def get_answer(op, question_identifier=None):
@@ -545,7 +545,7 @@ def get_data_fields(event, for_model=None):
                _("Order link"),
                Question.TYPE_STRING,
                None,
-                lambda order: eventreverse_absolute(
+                lambda order: build_absolute_uri(
                    event,
                    'presale:event.order', kwargs={
                        'order': order.code,
@@ -560,7 +560,7 @@ def get_data_fields(event, for_model=None):
                _("Ticket link"),
                Question.TYPE_STRING,
                None,
-                lambda op: eventreverse_absolute(
+                lambda op: build_absolute_uri(
                    event,
                    'presale:event.order.position', kwargs={
                        'order': op.order.code,
@@ -19,6 +19,7 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
 import ipaddress
 import logging
 import smtplib
 import socket
@@ -42,7 +43,6 @@ from pretix.base.templatetags.rich_text import (
    markdown_compile_email, truelink_callback,
 )
 from pretix.helpers.format import FormattedString, SafeFormatter, format_map
 from pretix.helpers.ssrf import should_block_access
 from pretix.base.services.placeholders import (  # noqa
    get_available_placeholders, PlaceholderContext
@@ -252,9 +252,13 @@ def create_connection(address, timeout=socket.getdefaulttimeout(),
        af, socktype, proto, canonname, sa = res
        if not getattr(settings, "MAIL_CUSTOM_SMTP_ALLOW_PRIVATE_NETWORKS", False):
-            is_private, msg = should_block_access(sa)
+            ip_addr = ipaddress.ip_address(sa[0])
-            if is_private:
+            if ip_addr.is_multicast:
-                raise socket.error(msg)
+                raise socket.error(f"Request to multicast address {sa[0]} blocked")
            if ip_addr.is_loopback or ip_addr.is_link_local:
                raise socket.error(f"Request to local address {sa[0]} blocked")
            if ip_addr.is_private:
                raise socket.error(f"Request to private address {sa[0]} blocked")
        sock = None
        try:
@@ -40,12 +40,11 @@ from django.utils.translation import gettext as _, gettext_lazy, pgettext_lazy
 from pretix.base.settings import PERSON_NAME_SCHEMES
-from ..exporter import MultiSheetListExporter, OrganizerLevelExportMixin
+from ..exporter import ListExporter, OrganizerLevelExportMixin
 from ..models import Membership
 from ..signals import register_multievent_data_exporters
-class CustomerListExporter(OrganizerLevelExportMixin, MultiSheetListExporter):
+class CustomerListExporter(OrganizerLevelExportMixin, ListExporter):
    identifier = 'customerlist'
    verbose_name = gettext_lazy('Customer accounts')
    category = pgettext_lazy('export_category', 'Customer accounts')
@@ -55,20 +54,13 @@ class CustomerListExporter(OrganizerLevelExportMixin, MultiSheetListExporter):
    def get_required_organizer_permission(cls) -> str:
        return 'organizer.customers:write'
    @property
    def sheets(self):
        return (
            ('customers', _('Customers')),
            ('memberships', _('Memberships')),
        )
    @property
    def additional_form_fields(self):
        return OrderedDict(
            []
        )
-    def iterate_customers(self, form_data):
+    def iterate_list(self, form_data):
        qs = self.organizer.customers.prefetch_related('provider')
        headers = [
@@ -117,52 +109,6 @@ class CustomerListExporter(OrganizerLevelExportMixin, MultiSheetListExporter):
            ]
            yield row
    def iterate_memberships(self, form_data):
        qs = Membership.objects.filter(
            customer__organizer=self.organizer
        ).prefetch_related('membership_type').select_related('customer', 'granted_in', 'granted_in__order')
        headers = [
            _('Customer ID'),
            _('External identifier'),
            _('Email'),
            _('Test mode'),
            _('Canceled'),
            _('Membership type'),
            _('Purchase ticket'),
            _('Start date'),
            _('Start time'),
            _('End date'),
            _('End time'),
            _('Name'),
        ]
        name_scheme = PERSON_NAME_SCHEMES[self.organizer.settings.name_scheme]
        if name_scheme and len(name_scheme['fields']) > 1:
            for k, label, w in name_scheme['fields']:
                headers.append(_('Name') + ': ' + str(label))
        yield headers
        tz = get_current_timezone()
        for obj in qs:
            row = [
                obj.customer.identifier,
                obj.customer.external_identifier,
                obj.customer.email or '',
                _('Yes') if obj.testmode else _('No'),
                _('Yes') if obj.canceled else _('No'),
                str(obj.membership_type.name),
                f'{obj.granted_in.order.code}-{obj.granted_in.positionid}' if obj.granted_in else None,
                obj.date_start.astimezone(tz).strftime('%Y-%m-%d'),
                obj.date_start.astimezone(tz).strftime('%H:%M'),
                obj.date_end.astimezone(tz).strftime('%Y-%m-%d'),
                obj.date_end.astimezone(tz).strftime('%H:%M'),
                obj.attendee_name or '',
            ]
            if name_scheme and len(name_scheme['fields']) > 1:
                for k, label, w in name_scheme['fields']:
                    row.append(obj.attendee_name_parts.get(k, ''))
            yield row
    def get_filename(self):
        return '{}_customers'.format(self.organizer.slug)
@@ -68,7 +68,7 @@ from ...control.forms.filter import get_all_payment_providers
 from ...helpers import GroupConcat
 from ...helpers.iter import chunked_iterable
 from ...helpers.safe_openpyxl import remove_invalid_excel_chars
-from ...multidomain.urlreverse import eventreverse_absolute
+from ...multidomain.urlreverse import build_absolute_uri
 from ..exporter import (
    ListExporter, MultiSheetListExporter, OrganizerLevelExportMixin,
 )
@@ -429,7 +429,7 @@ class OrderListExporter(MultiSheetListExporter):
            ]))
            row.append(
-                eventreverse_absolute(order.event, 'presale:event.order', kwargs={
+                build_absolute_uri(order.event, 'presale:event.order', kwargs={
                    'order': order.code,
                    'secret': order.secret,
                })
@@ -855,7 +855,7 @@ class OrderListExporter(MultiSheetListExporter):
                ]))
                row.append(
-                    eventreverse_absolute(order.event, 'presale:event.order.position', kwargs={
+                    build_absolute_uri(order.event, 'presale:event.order.position', kwargs={
                        'order': order.code,
                        'secret': op.web_secret,
                        'position': op.positionid
@@ -20,13 +20,12 @@
 # <https://www.gnu.org/licenses/>.
 #
 from django.db.models import Prefetch
 from django.dispatch import receiver
 from django.utils.formats import date_format
 from django.utils.translation import gettext_lazy as _, pgettext, pgettext_lazy
 from ..exporter import ListExporter, OrganizerLevelExportMixin
-from ..models import OrderPosition, ReusableMedium
+from ..models import ReusableMedium
 from ..signals import register_multievent_data_exporters
@@ -45,9 +44,7 @@ class ReusableMediaExporter(OrganizerLevelExportMixin, ListExporter):
        media = ReusableMedium.objects.filter(
            organizer=self.organizer,
        ).select_related(
-            'customer', 'linked_giftcard',
+            'customer', 'linked_orderposition', 'linked_giftcard',
        ).prefetch_related(
            Prefetch('linked_orderpositions', queryset=OrderPosition.objects.select_related("order"))
        ).order_by('created')
        headers = [
@@ -64,23 +61,18 @@ class ReusableMediaExporter(OrganizerLevelExportMixin, ListExporter):
        yield headers
        yield self.ProgressSetTotal(total=media.count())
        can_read_giftcards = self.permission_holder.has_organizer_permission(self.organizer, 'organizer.giftcards:read')
        for medium in media.iterator(chunk_size=1000):
-            giftcard_secret = medium.linked_giftcard.secret if medium.linked_giftcard_id else ''
+            row = [
            if giftcard_secret and not can_read_giftcards:
                giftcard_secret = giftcard_secret[:3] + "…"
            yield [
                medium.type,
                medium.identifier,
                _('Yes') if medium.active else _('No'),
                date_format(medium.expires, 'SHORT_DATETIME_FORMAT') if medium.expires else '',
                medium.customer.identifier if medium.customer_id else '',
-                ', '.join([f"{op.order.code}-{op.positionid}" for op in medium.linked_orderpositions.all()]),
+                f"{medium.linked_orderposition.order.code}-{medium.linked_orderposition.positionid}" if medium.linked_orderposition_id else '',
-                giftcard_secret,
+                medium.linked_giftcard.secret if medium.linked_giftcard_id else '',
                medium.notes,
            ]
            yield row
    def get_filename(self):
        return f'{self.organizer.slug}_media'
@@ -33,6 +33,8 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
 import hashlib
 import ipaddress
 import logging
 from django import forms
@@ -40,12 +42,13 @@ from django.conf import settings
 from django.contrib.auth.password_validation import (
    password_validators_help_texts, validate_password,
 )
 from django.utils.functional import cached_property
 from django.utils.translation import gettext_lazy as _
 from pretix.base.metrics import pretix_failed_logins
 from pretix.base.models import User
 from pretix.helpers.dicts import move_to_end
-from pretix.helpers.ratelimit import rate_limit
+from pretix.helpers.http import get_client_ip
 logger = logging.getLogger(__name__)
@@ -82,20 +85,40 @@ class LoginForm(forms.Form):
        else:
            move_to_end(self.fields, 'keep_logged_in')
    @cached_property
    def ratelimit_key(self):
        if not settings.HAS_REDIS:
            return None
        client_ip = get_client_ip(self.request)
        if not client_ip:
            return None
        try:
            client_ip = ipaddress.ip_address(client_ip)
        except ValueError:
            # Web server not set up correctly
            return None
        if client_ip.is_private:
            # This is the private IP of the server, web server not set up correctly
            return None
        return 'pretix_login_{}'.format(hashlib.sha1(str(client_ip).encode()).hexdigest())
    def clean(self):
        if all(k in self.cleaned_data for k, f in self.fields.items() if f.required):
-            rate_limit_kwargs = dict(include_ip_from_request=self.request, max_num=10, expire_time=300)
+            if self.ratelimit_key:
-            if rate_limit("login", **rate_limit_kwargs, increase=False):
+                from django_redis import get_redis_connection
-                # Check rate limit without counting up, we increase below only on failed logins
+                rc = get_redis_connection("redis")
-                pretix_failed_logins.inc(1, reason="ratelimit")
+                cnt = rc.get(self.ratelimit_key)
-                logger.info("Backend login rejected due to rate limit.")
+                if cnt and int(cnt) > 10:
-                raise forms.ValidationError(self.error_messages['rate_limit'], code='rate_limit')
+                    pretix_failed_logins.inc(1, reason="ratelimit")
                    logger.info("Backend login rejected due to rate limit.")
                    raise forms.ValidationError(self.error_messages['rate_limit'], code='rate_limit')
            self.user_cache = self.backend.form_authenticate(self.request, self.cleaned_data)
            if self.user_cache is None:
                if self.ratelimit_key:
                    rc.incr(self.ratelimit_key)
                    rc.expire(self.ratelimit_key, 300)
                logger.info("Backend login invalid.")
                pretix_failed_logins.inc(1, reason="invalid")
                # Count towards rate limit (result is ignored, we are checking above)
                rate_limit("login", **rate_limit_kwargs)
                raise forms.ValidationError(
                    self.error_messages['invalid_login'],
                    code='invalid_login'
@@ -53,7 +53,6 @@ from django.db.models import QuerySet
 from django.forms import Select, widgets
 from django.forms.widgets import FILE_INPUT_CONTRADICTION
 from django.utils.formats import date_format
 from django.utils.functional import lazy
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.utils.text import format_lazy
@@ -325,21 +324,16 @@ class WrappedPhonePrefixSelect(Select):
    initial = None
    def __init__(self, initial=None):
-        def _get_choices():
+        choices = [("", "---------")]
            choices = [("", "---------")]
            if initial:
                for prefix, values in COUNTRY_CODE_TO_REGION_CODE.items():
                    if all(v == REGION_CODE_FOR_NON_GEO_ENTITY for v in values):
                        continue
                    if initial in values:
                        self.initial = "+%d" % prefix
                        break
            choices += get_phone_prefixes_sorted_and_localized()
            return choices
        choices = lazy(_get_choices, list)()
        if initial:
            for prefix, values in COUNTRY_CODE_TO_REGION_CODE.items():
                if all(v == REGION_CODE_FOR_NON_GEO_ENTITY for v in values):
                    continue
                if initial in values:
                    self.initial = "+%d" % prefix
                    break
        choices += get_phone_prefixes_sorted_and_localized()
        super().__init__(choices=choices, attrs={
            'aria-label': pgettext_lazy('phonenumber', 'International area code'),
            'autocomplete': 'tel-country-code',
@@ -959,7 +953,7 @@ class BaseQuestionsForm(forms.Form):
                    label=label, required=required,
                    help_text=help_text,
                    initial=_initial,
-                    widget=TimePickerWidget(without_seconds=True),
+                    widget=TimePickerWidget(time_format=get_format_without_seconds('TIME_INPUT_FORMATS')),
                )
            elif q.type == Question.TYPE_DATETIME:
                if not help_text:
@@ -1116,13 +1110,6 @@ class BaseQuestionsForm(forms.Form):
            if q.dependency_question_id and not question_is_visible(q.dependency_question_id, q.dependency_values) and answer is not None:
                d['question_%d' % q.pk] = None
        # Strip False answers to required yes/no questions even if all_optional is set, as our data model assumes that
        # required yes/no questions can only be answered with yes
        for q in question_cache.values():
            if q.required and q.type == Question.TYPE_BOOLEAN:
                if 'question_%d' % q.pk in d and d['question_%d' % q.pk] is False:
                    d['question_%d' % q.pk] = None
        return d
@@ -1411,7 +1398,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
        elif self.validate_vat_id and vat_id_applicable:
            try:
                normalized_id = validate_vat_id(data.get('vat_id'), str(data.get('country')))
-                self.instance.vat_id_validated = bool(normalized_id)
+                self.instance.vat_id_validated = True
                self.instance.vat_id = data['vat_id'] = normalized_id
            except VATIDFinalError as e:
                if self.all_optional:
@@ -33,6 +33,7 @@
 # License for the specific language governing permissions and limitations under the License.
 from django import forms
 from django.conf import settings
 from django.contrib.auth.hashers import check_password
 from django.contrib.auth.password_validation import (
    password_validators_help_texts, validate_password,
@@ -45,7 +46,6 @@ from pytz import common_timezones
 from pretix.base.models import User
 from pretix.control.forms import SingleLanguageWidget
 from pretix.helpers.format import format_map
 from pretix.helpers.ratelimit import rate_limit
 class UserSettingsForm(forms.ModelForm):
@@ -128,11 +128,16 @@ class UserPasswordChangeForm(forms.Form):
    def clean_old_pw(self):
        old_pw = self.cleaned_data.get('old_pw')
-        if rate_limit("pwchange", self.user.pk, max_num=10, expire_time=300):
+        if settings.HAS_REDIS:
-            raise forms.ValidationError(
+            from django_redis import get_redis_connection
-                self.error_messages['rate_limit'],
+            rc = get_redis_connection("redis")
-                code='rate_limit',
+            cnt = rc.incr('pretix_pwchange_%s' % self.user.pk)
-            )
+            rc.expire('pretix_pwchange_%s' % self.user.pk, 300)
            if cnt > 10:
                raise forms.ValidationError(
                    self.error_messages['rate_limit'],
                    code='rate_limit',
                )
        if not check_password(old_pw, self.user.password):
            raise forms.ValidationError(
@@ -170,35 +175,19 @@ class UserEmailChangeForm(forms.Form):
    error_messages = {
        'duplicate_identifier': _("There already is an account associated with this email address. "
                                  "Please choose a different one."),
        'rate_limit': _("For security reasons, please wait 5 minutes before you try again."),
    }
    old_email = forms.EmailField(label=_('Old email address'), disabled=True)
    new_email = forms.EmailField(label=_('New email address'))
    def __init__(self, *args, **kwargs):
        self.user = kwargs.pop('user')
        self.request = kwargs.pop('request')
        super().__init__(*args, **kwargs)
    def clean_new_email(self):
        email = self.cleaned_data['new_email']
        if rate_limit("emailchange_attempt", include_ip_from_request=self.request, max_num=5, expire_time=300):
            # Rate limit lookup for conflicting email addresses to make enumeration harder
            raise forms.ValidationError(
                self.error_messages['rate_limit'],
                code='rate_limit',
            )
        if User.objects.filter(Q(email__iexact=email) & ~Q(pk=self.user.pk)).exists():
            raise forms.ValidationError(
                self.error_messages['duplicate_identifier'],
                code='duplicate_identifier',
            )
        if rate_limit("emailchange", self.user.pk, max_num=2, expire_time=300):
            raise forms.ValidationError(
                self.error_messages['rate_limit'],
                code='rate_limit',
            )
        return email
@@ -43,10 +43,6 @@ from django.utils.timezone import get_current_timezone, now
 from django.utils.translation import gettext_lazy as _
 from pretix.helpers.format import PlainHtmlAlternativeString
 from pretix.helpers.i18n import (
    get_format_without_seconds, get_javascript_format,
    get_javascript_format_without_seconds,
 )
 def replace_arabic_numbers(inp):
@@ -112,7 +108,7 @@ class DatePickerWidget(forms.DateInput):
 class TimePickerWidget(forms.TimeInput):
-    def __init__(self, attrs=None, time_format=None, without_seconds=False):
+    def __init__(self, attrs=None, time_format=None):
        attrs = attrs or {}
        if 'placeholder' in attrs:
            del attrs['placeholder']
@@ -121,27 +117,8 @@ class TimePickerWidget(forms.TimeInput):
        time_attrs['class'] += ' timepickerfield'
        time_attrs['autocomplete'] = 'off'
        if time_format or without_seconds:
            # Explicitly set data-format attributes for the JS layer instead of relying on the body-wide config
            def time_format_attr():
                if without_seconds:
                    return get_javascript_format_without_seconds(time_format or "TIME_INPUT_FORMATS")
                return get_javascript_format(time_format or "TIME_INPUT_FORMATS")
            time_attrs['data-format'] = lazy(time_format_attr, str)
            def time_format_attr():
                if without_seconds:
                    return get_javascript_format_without_seconds(time_format or "TIME_INPUT_FORMATS")
                return get_javascript_format(time_format or "TIME_INPUT_FORMATS")
            time_attrs['data-format'] = lazy(time_format_attr, str)
        def placeholder():
-            if without_seconds:
+            tf = time_format or get_format('TIME_INPUT_FORMATS')[0]
                tf = time_format or get_format_without_seconds('TIME_INPUT_FORMATS')
            else:
                tf = time_format or get_format('TIME_INPUT_FORMATS')[0]
            return now().replace(
                year=2000, month=1, day=1, hour=0, minute=0, second=0, microsecond=0
            ).strftime(tf)
@@ -205,7 +182,7 @@ class UploadedFileWidget(forms.ClearableFileInput):
 class SplitDateTimePickerWidget(forms.SplitDateTimeWidget):
    template_name = 'pretixbase/forms/widgets/splitdatetime.html'
-    def __init__(self, attrs=None, date_format=None, time_format=None, min_date=None, max_date=None, without_seconds=False):
+    def __init__(self, attrs=None, date_format=None, time_format=None, min_date=None, max_date=None):
        attrs = attrs or {}
        if 'placeholder' in attrs:
            del attrs['placeholder']
@@ -228,36 +205,14 @@ class SplitDateTimePickerWidget(forms.SplitDateTimeWidget):
                max_date if not isinstance(max_date, datetime) else max_date.astimezone(get_current_timezone()).date()
            ).isoformat()
        if date_format or time_format or without_seconds:
            # Explicitly set data-format attributes for the JS layer instead of relying on the body-wide config
            def date_format_attr():
                if without_seconds:
                    return get_javascript_format_without_seconds(date_format or "DATE_INPUT_FORMATS")
                return get_javascript_format(date_format or "DATE_INPUT_FORMATS")
            date_attrs['data-format'] = lazy(date_format_attr, str)
            def time_format_attr():
                if without_seconds:
                    return get_javascript_format_without_seconds(time_format or "TIME_INPUT_FORMATS")
                return get_javascript_format(time_format or "TIME_INPUT_FORMATS")
            time_attrs['data-format'] = lazy(time_format_attr, str)
        def date_placeholder():
-            if without_seconds:
+            df = date_format or get_format('DATE_INPUT_FORMATS')[0]
                df = date_format or get_format_without_seconds('DATE_INPUT_FORMATS')
            else:
                df = date_format or get_format('DATE_INPUT_FORMATS')[0]
            return now().replace(
                year=2000, month=12, day=31, hour=18, minute=0, second=0, microsecond=0
            ).strftime(df)
        def time_placeholder():
-            if without_seconds:
+            tf = time_format or get_format('TIME_INPUT_FORMATS')[0]
                tf = time_format or get_format_without_seconds('TIME_INPUT_FORMATS')
            else:
                tf = time_format or get_format('TIME_INPUT_FORMATS')[0]
            return now().replace(
                year=2000, month=1, day=1, hour=0, minute=0, second=0, microsecond=0
            ).strftime(tf)
@@ -22,7 +22,9 @@
 import datetime
 import logging
 import math
 import re
 import textwrap
 import unicodedata
 from collections import defaultdict
 from decimal import Decimal
 from io import BytesIO
@@ -56,8 +58,8 @@ from pretix.base.services.currencies import SOURCE_NAMES
 from pretix.base.signals import register_invoice_renderers
 from pretix.base.templatetags.money import money_filter
 from pretix.helpers.reportlab import (
-    FontFallbackParagraph, PlainTextParagraph, ThumbnailingImageReader,
+    FontFallbackParagraph, ThumbnailingImageReader, register_ttf_font_if_new,
-    normalize_text, register_ttf_font_if_new, reshaper,
+    reshaper,
 )
 from pretix.presale.style import get_fonts
@@ -257,8 +259,18 @@ class BaseReportlabInvoiceRenderer(BaseInvoiceRenderer):
                register_ttf_font_if_new(family + ' B I', finders.find(styles['bolditalic']['truetype']))
    def _normalize(self, text):
-        # alias kept for plugin compatibility
+        # reportlab does not support unicode combination characters
-        return normalize_text(text)
+        # It's important we do this before we use ArabicReshaper
        text = unicodedata.normalize("NFKC", text)
        # reportlab does not support RTL, ligature-heavy scripts like Arabic. Therefore, we use ArabicReshaper
        # to resolve all ligatures and python-bidi to switch RTL texts.
        try:
            text = "<br />".join(get_display(reshaper.reshape(l)) for l in re.split("<br ?/>", text))
        except:
            logger.exception('Reshaping/Bidi fixes failed on string {}'.format(repr(text)))
        return text
    def _upper(self, val):
        # We uppercase labels, but not in every language
@@ -339,15 +351,10 @@ class BaseReportlabInvoiceRenderer(BaseInvoiceRenderer):
        return 'invoice.pdf', 'application/pdf', buffer.read()
    def _clean_text(self, text, tags=None):
-        # For backwards compatibility with customer content, we need to support tags like <br> and <b> in a few text
+        return self._normalize(bleach.clean(
-        # fields. Therefore, we can't use PlainTextParagraph for these, but run bleach instead to limit the allowed
+            text,
-        # tags.
+            tags=set(tags) if tags else set()
-        return self._normalize(
+        ).strip().replace('<br>', '<br />').replace('\n', '<br />\n'))
            bleach.clean(
                text,
                tags=set(tags) if tags else set()
            ).strip().replace('<br>', '<br />').replace('\n', '<br />\n')
        )
 class PaidMarker(Flowable):
@@ -398,7 +405,8 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
    invoice_to_top = 52 * mm
    def _draw_invoice_to(self, canvas):
-        p = PlainTextParagraph(self.invoice.address_invoice_to, style=self.stylesheet['Normal'])
+        p = FontFallbackParagraph(self._clean_text(self.invoice.address_invoice_to),
                                  style=self.stylesheet['Normal'])
        p.wrapOn(canvas, self.invoice_to_width, self.invoice_to_height)
        p_size = p.wrap(self.invoice_to_width, self.invoice_to_height)
        p.drawOn(canvas, self.invoice_to_left, self.pagesize[1] - p_size[1] - self.invoice_to_top)
@@ -409,8 +417,8 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
    invoice_from_top = 17 * mm
    def _draw_invoice_from(self, canvas):
-        p = PlainTextParagraph(
+        p = FontFallbackParagraph(
-            self.invoice.full_invoice_from,
+            self._clean_text(self.invoice.full_invoice_from),
            style=self.stylesheet['InvoiceFrom']
        )
        p.wrapOn(canvas, self.invoice_from_width, self.invoice_from_height)
@@ -540,12 +548,13 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
    def _draw_event(self, canvas):
        def shorten(txt):
            txt = str(txt)
-            p = PlainTextParagraph(txt, style=self.stylesheet['Normal'])
+            txt = bleach.clean(txt, tags=set()).strip()
            p = FontFallbackParagraph(self._normalize(txt.strip().replace('\n', '<br />\n')), style=self.stylesheet['Normal'])
            p_size = p.wrap(self.event_width, self.event_height)
            while p_size[1] > 2 * self.stylesheet['Normal'].leading:
                txt = ' '.join(txt.replace('…', '').split()[:-1]) + '…'
-                p = PlainTextParagraph(txt, style=self.stylesheet['Normal'])
+                p = FontFallbackParagraph(self._normalize(txt.strip().replace('\n', '<br />\n')), style=self.stylesheet['Normal'])
                p_size = p.wrap(self.event_width, self.event_height)
            return txt
@@ -563,7 +572,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        else:
            p_str = shorten(self.invoice.event.name)
-        p = PlainTextParagraph(p_str, style=self.stylesheet['Normal'])
+        p = FontFallbackParagraph(self._normalize(p_str.strip().replace('\n', '<br />\n')), style=self.stylesheet['Normal'])
        p.wrapOn(canvas, self.event_width, self.event_height)
        p_size = p.wrap(self.event_width, self.event_height)
        p.drawOn(canvas, self.event_left, self.pagesize[1] - self.event_top - p_size[1])
@@ -636,37 +645,39 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        type_info_text = self.invoice.transmission_type_instance.pdf_info_text()
        if type_info_text:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
                type_info_text,
                self.stylesheet['WarningBlock']
            ))
        if self.invoice.custom_field:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
                '{}: {}'.format(
-                    str(self.invoice.event.settings.invoice_address_custom_field),
+                    self._clean_text(str(self.invoice.event.settings.invoice_address_custom_field)),
-                    self.invoice.custom_field,
+                    self._clean_text(self.invoice.custom_field),
                ),
                self.stylesheet['Normal']
            ))
        if self.invoice.internal_reference:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
-                pgettext('invoice', 'Customer reference: {reference}').format(
+                self._normalize(pgettext('invoice', 'Customer reference: {reference}').format(
-                    reference=self.invoice.internal_reference,
+                    reference=self._clean_text(self.invoice.internal_reference),
-                ),
+                )),
                self.stylesheet['Normal']
            ))
        if self.invoice.invoice_to_vat_id:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
-                pgettext('invoice', 'Customer VAT ID') + ': ' + self.invoice.invoice_to_vat_id,
+                self._normalize(pgettext('invoice', 'Customer VAT ID')) + ': ' +
                self._clean_text(self.invoice.invoice_to_vat_id),
                self.stylesheet['Normal']
            ))
        if self.invoice.invoice_to_beneficiary:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
-                pgettext('invoice', 'Beneficiary') + ':\n' + self.invoice.invoice_to_beneficiary,
+                self._normalize(pgettext('invoice', 'Beneficiary')) + ':<br />' +
                self._clean_text(self.invoice.invoice_to_beneficiary),
                self.stylesheet['Normal']
            ))
@@ -696,11 +707,11 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        story = [
            NextPageTemplate('FirstPage'),
-            PlainTextParagraph(
+            FontFallbackParagraph(
-                (
+                self._normalize(
                    pgettext('invoice', 'Tax Invoice') if str(self.invoice.invoice_from_country) == 'AU'
                    else pgettext('invoice', 'Invoice')
-                ) if not self.invoice.is_cancellation else pgettext('invoice', 'Cancellation'),
+                ) if not self.invoice.is_cancellation else self._normalize(pgettext('invoice', 'Cancellation')),
                self.stylesheet['Heading1']
            ),
            Spacer(1, 5 * mm),
@@ -722,17 +733,17 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        ]
        if has_taxes:
            tdata = [(
-                PlainTextParagraph(pgettext('invoice', 'Description'), self.stylesheet['Bold']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Description')), self.stylesheet['Bold']),
-                PlainTextParagraph(pgettext('invoice', 'Qty'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Qty')), self.stylesheet['BoldRightNoSplit']),
-                PlainTextParagraph(pgettext('invoice', 'Tax rate'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Tax rate')), self.stylesheet['BoldRightNoSplit']),
-                PlainTextParagraph(pgettext('invoice', 'Net'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Net')), self.stylesheet['BoldRightNoSplit']),
-                PlainTextParagraph(pgettext('invoice', 'Gross'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Gross')), self.stylesheet['BoldRightNoSplit']),
            )]
        else:
            tdata = [(
-                PlainTextParagraph(pgettext('invoice', 'Description'), self.stylesheet['Bold']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Description')), self.stylesheet['Bold']),
-                PlainTextParagraph(pgettext('invoice', 'Qty'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Qty')), self.stylesheet['BoldRightNoSplit']),
-                PlainTextParagraph(pgettext('invoice', 'Amount'), self.stylesheet['BoldRightNoSplit']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Amount')), self.stylesheet['BoldRightNoSplit']),
            )]
        def _group_key(line):
@@ -769,8 +780,8 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
            max_height = self.stylesheet['Normal'].leading * 5
            p_style = self.stylesheet['Normal']
            for __ in range(1000):
-                p = PlainTextParagraph(
+                p = FontFallbackParagraph(
-                    curr_description,
+                    self._clean_text(curr_description, tags=['br']),
                    p_style
                )
                h = p.wrap(max_width, doc.height)[1]
@@ -851,7 +862,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                # Group together at the end of the invoice
                request_show_service_date = period_line
            elif period_line:
-                description_p_list.append(PlainTextParagraph(
+                description_p_list.append(FontFallbackParagraph(
                    period_line,
                    self.stylesheet['Fineprint']
                ))
@@ -863,7 +874,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                        net_price=money_filter(net_value, self.invoice.event.currency),
                        gross_price=money_filter(gross_value, self.invoice.event.currency),
                    )
-                    description_p_list.append(PlainTextParagraph(
+                    description_p_list.append(FontFallbackParagraph(
                        single_price_line,
                        self.stylesheet['Fineprint']
                    ))
@@ -872,11 +883,11 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                    description_p_list.pop(0),
                    str(len(lines)),
                    localize(tax_rate) + " %",
-                    PlainTextParagraph(
+                    FontFallbackParagraph(
                        money_filter(net_value * len(lines), self.invoice.event.currency).replace('\xa0', ' '),
                        self.stylesheet['NormalRight']
                    ),
-                    PlainTextParagraph(
+                    FontFallbackParagraph(
                        money_filter(gross_value * len(lines), self.invoice.event.currency).replace('\xa0', ' '),
                        self.stylesheet['NormalRight']
                    ),
@@ -893,14 +904,14 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                    single_price_line = pgettext('invoice', 'Single price: {price}').format(
                        price=money_filter(gross_value, self.invoice.event.currency),
                    )
-                    description_p_list.append(PlainTextParagraph(
+                    description_p_list.append(FontFallbackParagraph(
                        single_price_line,
                        self.stylesheet['Fineprint']
                    ))
                tdata.append((
                    description_p_list.pop(0),
                    str(len(lines)),
-                    PlainTextParagraph(
+                    FontFallbackParagraph(
                        money_filter(gross_value * len(lines), self.invoice.event.currency).replace('\xa0', ' '),
                        self.stylesheet['NormalRight']
                    ),
@@ -933,12 +944,12 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        if has_taxes:
            tdata.append([
-                PlainTextParagraph(pgettext('invoice', 'Invoice total'), self.stylesheet['Bold']), '', '', '',
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Invoice total')), self.stylesheet['Bold']), '', '', '',
                money_filter(total, self.invoice.event.currency)
            ])
        else:
            tdata.append([
-                PlainTextParagraph(pgettext('invoice', 'Invoice total'), self.stylesheet['Bold']), '',
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Invoice total')), self.stylesheet['Bold']), '',
                money_filter(total, self.invoice.event.currency)
            ])
@@ -947,12 +958,12 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                pending_sum = self.invoice.order.pending_sum
                if pending_sum != total:
                    tdata.append(
-                        [PlainTextParagraph(pgettext('invoice', 'Received payments'), self.stylesheet['Normal'])] +
+                        [FontFallbackParagraph(self._normalize(pgettext('invoice', 'Received payments')), self.stylesheet['Normal'])] +
                        (['', '', ''] if has_taxes else ['']) +
                        [money_filter(pending_sum - total, self.invoice.event.currency)]
                    )
                    tdata.append(
-                        [PlainTextParagraph(pgettext('invoice', 'Outstanding payments'), self.stylesheet['Bold'])] +
+                        [FontFallbackParagraph(self._normalize(pgettext('invoice', 'Outstanding payments')), self.stylesheet['Bold'])] +
                        (['', '', ''] if has_taxes else ['']) +
                        [money_filter(pending_sum, self.invoice.event.currency)]
                    )
@@ -969,12 +980,12 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                    s=Sum('amount')
                )['s'] or Decimal('0.00')
                tdata.append(
-                    [PlainTextParagraph(pgettext('invoice', 'Paid by gift card'), self.stylesheet['Normal'])] +
+                    [FontFallbackParagraph(self._normalize(pgettext('invoice', 'Paid by gift card')), self.stylesheet['Normal'])] +
                    (['', '', ''] if has_taxes else ['']) +
                    [money_filter(giftcard_sum, self.invoice.event.currency)]
                )
                tdata.append(
-                    [PlainTextParagraph(pgettext('invoice', 'Remaining amount'), self.stylesheet['Bold'])] +
+                    [FontFallbackParagraph(self._normalize(pgettext('invoice', 'Remaining amount')), self.stylesheet['Bold'])] +
                    (['', '', ''] if has_taxes else ['']) +
                    [money_filter(total - giftcard_sum, self.invoice.event.currency)]
                )
@@ -997,14 +1008,14 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        story.append(Spacer(1, 10 * mm))
        if request_show_service_date:
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(
-                pgettext('invoice', 'Invoice period: {daterange}').format(daterange=request_show_service_date),
+                self._normalize(pgettext('invoice', 'Invoice period: {daterange}').format(daterange=request_show_service_date)),
                self.stylesheet['Normal']
            ))
        if self.invoice.payment_provider_text:
            story.append(FontFallbackParagraph(
-                self._clean_text(self.invoice.payment_provider_text, tags=['br', 'b']),
+                self._normalize(self.invoice.payment_provider_text),
                self.stylesheet['Normal']
            ))
@@ -1028,10 +1039,10 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
            ('FONTNAME', (0, 0), (-1, -1), self.font_regular),
        ]
        thead = [
-            PlainTextParagraph(pgettext('invoice', 'Tax rate'), self.stylesheet['Fineprint']),
+            FontFallbackParagraph(self._normalize(pgettext('invoice', 'Tax rate')), self.stylesheet['Fineprint']),
-            PlainTextParagraph(pgettext('invoice', 'Net value'), self.stylesheet['FineprintRight']),
+            FontFallbackParagraph(self._normalize(pgettext('invoice', 'Net value')), self.stylesheet['FineprintRight']),
-            PlainTextParagraph(pgettext('invoice', 'Gross value'), self.stylesheet['FineprintRight']),
+            FontFallbackParagraph(self._normalize(pgettext('invoice', 'Gross value')), self.stylesheet['FineprintRight']),
-            PlainTextParagraph(pgettext('invoice', 'Tax'), self.stylesheet['FineprintRight']),
+            FontFallbackParagraph(self._normalize(pgettext('invoice', 'Tax')), self.stylesheet['FineprintRight']),
            ''
        ]
        tdata = [thead]
@@ -1042,7 +1053,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                continue
            tax = taxvalue_map[idx]
            tdata.append([
-                PlainTextParagraph(localize(rate) + " % " + name, self.stylesheet['Fineprint']),
+                FontFallbackParagraph(self._normalize(localize(rate) + " % " + name), self.stylesheet['Fineprint']),
                money_filter(gross - tax, self.invoice.event.currency),
                money_filter(gross, self.invoice.event.currency),
                money_filter(tax, self.invoice.event.currency),
@@ -1061,7 +1072,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
            table.setStyle(TableStyle(tstyledata))
            story.append(Spacer(5 * mm, 5 * mm))
            story.append(KeepTogether([
-                PlainTextParagraph(pgettext('invoice', 'Included taxes'), self.stylesheet['FineprintHeading']),
+                FontFallbackParagraph(self._normalize(pgettext('invoice', 'Included taxes')), self.stylesheet['FineprintHeading']),
                table
            ]))
@@ -1078,7 +1089,7 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                    net = gross - tax
                    tdata.append([
-                        PlainTextParagraph(localize(rate) + " % " + name, self.stylesheet['Fineprint']),
+                        FontFallbackParagraph(self._normalize(localize(rate) + " % " + name), self.stylesheet['Fineprint']),
                        fmt(net), fmt(gross), fmt(tax), ''
                    ])
@@ -1087,13 +1098,13 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
                story.append(KeepTogether([
                    Spacer(1, height=2 * mm),
-                    PlainTextParagraph(
+                    FontFallbackParagraph(
-                        pgettext(
+                        self._normalize(pgettext(
                            'invoice', 'Using the conversion rate of 1:{rate} as published by the {authority} on '
                                       '{date}, this corresponds to:'
                        ).format(rate=localize(self.invoice.foreign_currency_rate),
                                 authority=SOURCE_NAMES.get(self.invoice.foreign_currency_source, "?"),
-                                 date=date_format(self.invoice.foreign_currency_rate_date, "SHORT_DATE_FORMAT")),
+                                 date=date_format(self.invoice.foreign_currency_rate_date, "SHORT_DATE_FORMAT"))),
                        self.stylesheet['Fineprint']
                    ),
                    Spacer(1, height=3 * mm),
@@ -1102,14 +1113,14 @@ class ClassicInvoiceRenderer(BaseReportlabInvoiceRenderer):
        elif self.invoice.foreign_currency_display and self.invoice.foreign_currency_rate:
            foreign_total = round_decimal(total * self.invoice.foreign_currency_rate)
            story.append(Spacer(1, 5 * mm))
-            story.append(PlainTextParagraph(
+            story.append(FontFallbackParagraph(self._normalize(
                pgettext(
                    'invoice', 'Using the conversion rate of 1:{rate} as published by the {authority} on '
                               '{date}, the invoice total corresponds to {total}.'
                ).format(rate=localize(self.invoice.foreign_currency_rate),
                         date=date_format(self.invoice.foreign_currency_rate_date, "SHORT_DATE_FORMAT"),
                         authority=SOURCE_NAMES.get(self.invoice.foreign_currency_source, "?"),
-                         total=fmt(foreign_total)),
+                         total=fmt(foreign_total))),
                self.stylesheet['Fineprint']
            ))
@@ -1151,8 +1162,11 @@ class Modern1Renderer(ClassicInvoiceRenderer):
    def _draw_invoice_from(self, canvas):
        if not self.invoice.address_invoice_from:
            return
-        c = self.invoice.address_invoice_from.strip().split('\n')
+        c = [
-        p = PlainTextParagraph(' · '.join(c), style=self.stylesheet['Sender'])
+            self._clean_text(l)
            for l in self.invoice.address_invoice_from.strip().split('\n')
        ]
        p = FontFallbackParagraph(self._normalize(' · '.join(c)), style=self.stylesheet['Sender'])
        p.wrapOn(canvas, self.invoice_to_width, 15.7 * mm)
        p.drawOn(canvas, self.invoice_to_left, self.pagesize[1] - self.invoice_to_top + 2 * mm)
        super()._draw_invoice_from(canvas)
@@ -1211,8 +1225,8 @@ class Modern1Renderer(ClassicInvoiceRenderer):
                _draw(pgettext('invoice', 'Order code'), self.invoice.order.full_code, value_size, self.left_margin, 45 * mm, **kwargs)
            ]
-            p = PlainTextParagraph(
+            p = FontFallbackParagraph(
-                date_format(self.invoice.date, "DATE_FORMAT"),
+                self._normalize(date_format(self.invoice.date, "DATE_FORMAT")),
                style=ParagraphStyle(name=f'Normal{value_size}', fontName=self.font_regular, fontSize=value_size, leading=value_size * 1.2)
            )
            w = stringWidth(p.text, p.frags[0].fontName, p.frags[0].fontSize)
@@ -1269,7 +1283,7 @@ class Modern1SimplifiedRenderer(Modern1Renderer):
        i = []
        if not self.invoice.event.has_subevents and self.invoice.event.settings.show_dates_on_frontpage:
-            i.append(PlainTextParagraph(
+            i.append(FontFallbackParagraph(
                pgettext('invoice', 'Event date: {date_range}').format(
                    date_range=self.invoice.event.get_date_range_display(),
                ),
@@ -1,29 +0,0 @@
 #
 # This file is part of pretix (Community Edition).
 #
 # Copyright (C) 2014-2020  Raphael Michel and contributors
 # Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
 #
 # ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
 # applicable granting you additional permissions and placing additional restrictions on your usage of this software.
 # Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
 # this file, see <https://pretix.eu/about/en/license>.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 # warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 # details.
 #
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
 from django.core.management.base import BaseCommand
 class Command(BaseCommand):
    help = "Do nothing. Useful for startup performance testing."
    def handle(self, *args, **options):
        pass
@@ -40,7 +40,6 @@ from django.core.cache import cache
 from django.core.management.base import BaseCommand
 from django.db import close_old_connections
 from django.dispatch.dispatcher import NO_RECEIVERS
 from django_querytagger.tagging import with_tag
 from pretix.helpers.periodic import SKIPPED
@@ -83,8 +82,7 @@ class Command(BaseCommand):
            try:
                # Check if the DB connection is still good, it might be closed if the previous task took too long.
                close_old_connections()
-                with with_tag(f"periodictask={name}"):
+                r = receiver(signal=periodic_task, sender=self)
                    r = receiver(signal=periodic_task, sender=self)
            except Exception as err:
                if isinstance(err, KeyboardInterrupt):
                    raise err
@@ -44,8 +44,7 @@ class Command(Parent):
            # Start the vite server in the background
            vite_server = subprocess.Popen(
                ["npm", "run", "dev:control"],
-                cwd=Path(__file__).parent.parent.parent.parent.parent,
+                cwd=Path(__file__).parent.parent.parent.parent.parent
                stdin=subprocess.DEVNULL
            )
            def cleanup():
@@ -26,7 +26,6 @@ from django.utils.translation import gettext_lazy as _
 class BaseMediaType:
    medium_created_by_server = False
    medium_created_from_unknown_supported = False
    supports_orderposition = False
    supports_giftcard = False
@@ -57,7 +56,7 @@ class BaseMediaType:
    def is_active(self, organizer):
        return organizer.settings.get(f'reusable_media_type_{self.identifier}', as_type=bool, default=False)
-    def handle_unknown(self, organizer, identifier, user, auth, force_create=False):
+    def handle_unknown(self, organizer, identifier, user, auth):
        pass
    def handle_new(self, organizer, medium, user, auth):
@@ -89,32 +88,23 @@ class NfcUidMediaType(BaseMediaType):
    verbose_name = _('NFC UID-based')
    icon = 'pretixbase/img/media/nfc_uid.svg'
    medium_created_by_server = False
    medium_created_from_unknown_supported = True
    supports_giftcard = True
-    supports_orderposition = True
+    supports_orderposition = False
-    def handle_unknown(self, organizer, identifier, user, auth, force_create=False):
+    def handle_unknown(self, organizer, identifier, user, auth):
        from pretix.base.models import GiftCard, ReusableMedium
-        create_giftcard = organizer.settings.get(f'reusable_media_type_{self.identifier}_autocreate_giftcard', as_type=bool)
+        if organizer.settings.get(f'reusable_media_type_{self.identifier}_autocreate_giftcard', as_type=bool):
        if create_giftcard or force_create:
            if identifier.startswith("08"):
                # Don't create gift cards for NFC UIDs that start with 08, which represents NFC cards that issue random
                # UIDs on every read, so they won't be useful.
                return
            with transaction.atomic():
-                if create_giftcard:
+                gc = GiftCard.objects.create(
-                    gc = GiftCard.objects.create(
+                    issuer=organizer,
-                        issuer=organizer,
+                    expires=organizer.default_gift_card_expiry,
-                        expires=organizer.default_gift_card_expiry,
+                    currency=organizer.settings.get(f'reusable_media_type_{self.identifier}_autocreate_giftcard_currency'),
-                        currency=organizer.settings.get(f'reusable_media_type_{self.identifier}_autocreate_giftcard_currency'),
+                )
                    )
                    gc.log_action(
                        'pretix.giftcards.created',
                        user=user, auth=auth,
                    )
                else:
                    gc = None
                m = ReusableMedium.objects.create(
                    type=self.identifier,
                    identifier=identifier,
@@ -126,6 +116,10 @@ class NfcUidMediaType(BaseMediaType):
                    'pretix.reusable_medium.created.auto',
                    user=user, auth=auth,
                )
                gc.log_action(
                    'pretix.giftcards.created',
                    user=user, auth=auth,
                )
                return m
@@ -135,7 +129,7 @@ class NfcMf0aesMediaType(BaseMediaType):
    icon = 'pretixbase/img/media/nfc_secure.svg'
    medium_created_by_server = False
    supports_giftcard = True
-    supports_orderposition = True
+    supports_orderposition = False
    def handle_new(self, organizer, medium, user, auth):
        from pretix.base.models import GiftCard
@@ -282,12 +282,10 @@ def metric_values():
    # Throwaway metrics
    exact_tables = [
-        Order, Invoice, Event, Organizer
+        Order, OrderPosition, Invoice, Event, Organizer
    ]
    for m in apps.get_models():  # Count all models
-        if issubclass(m, OrderPosition):
+        if any(issubclass(m, p) for p in exact_tables):
            metrics['pretix_model_instances']['{model="%s"}' % m._meta] = m.all.count()
        elif any(issubclass(m, p) for p in exact_tables):
            metrics['pretix_model_instances']['{model="%s"}' % m._meta] = m.objects.count()
        else:
            metrics['pretix_model_instances']['{model="%s"}' % m._meta] = estimate_count_fast(m)
@@ -19,10 +19,6 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
 import base64
 import hashlib
 import logging
 import re
 from collections import OrderedDict
 from urllib.parse import urlparse, urlsplit
 from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
@@ -47,8 +43,6 @@ from pretix.multidomain.urlreverse import (
 )
 from pretix.presale.style import get_fonts
 logger = logging.getLogger(__name__)
 _supported = None
@@ -71,49 +65,15 @@ def get_supported_language(requested_language, allowed_languages, default_langua
    return language
 class BaseLocaleMiddleware(MiddlewareMixin):
    """
    This is a reduced LocaleMiddleware that uses only information contained in the WSGI request data
    to figure out the language (cookie and browser settings). We need it to have a consistent language
    for error pages that are generated from the middleware stack before we know e.g. which user is logged
    in or which event is selected.
    """
    def process_request(self, request: HttpRequest):
        language = get_language_from_early_request(request)
        translation.activate(language)
        set_region(None)
        request.LANGUAGE_CODE = language
        timezone.deactivate()
    def process_response(self, request: HttpRequest, response: HttpResponse):
        language = translation.get_language()
        patch_vary_headers(response, ('Accept-Language',))
        if 'Content-Language' not in response:
            response['Content-Language'] = language
        return response
 class LocaleMiddleware(MiddlewareMixin):
    """
-    This is the full LocaleMiddleware that uses all available information to figure out the correct
+    This middleware sets the correct locale and timezone
-    language for the request using all available sources, in this order of priority:
+    for a request.
    - Backend: User settings
    - Language cookie
    - Frontend: Customer account settings
    - Browser settings
    - Frontend: Event/Organizer settings
    - System default
    It needs to run late in the middleware stack to have all information available for these steps.
    For some cases, it is even ran a second time since the event is sometimes only figured out after the
    middleware stack (can happen for plugin views).
    """
    def process_request(self, request: HttpRequest):
        language = get_language_from_request(request)
        region = None
        # Normally, this middleware runs *before* the event is set. However, on event frontend pages it
        # might be run a second time by pretix.presale.EventMiddleware and in this case the event is already
        # set and can be taken into account for the decision.
@@ -134,16 +94,15 @@ class LocaleMiddleware(MiddlewareMixin):
                if '-' not in language and settings_holder.settings.region:
                    language += '-' + settings_holder.settings.region
                if settings_holder.settings.region:
-                    region = settings_holder.settings.region
+                    set_region(settings_holder.settings.region)
        else:
            gs = global_settings_object(request)
            if '-' not in language and gs.settings.region:
                language += '-' + gs.settings.region
            if gs.settings.region:
-                region = gs.settings.region
+                set_region(gs.settings.region)
        translation.activate(language)
        set_region(region)
        request.LANGUAGE_CODE = get_language_without_region()
        tzname = None
@@ -223,24 +182,6 @@ def get_default_language():
        return settings.LANGUAGE_CODE
 def get_language_from_early_request(request: HttpRequest) -> str:
    """
    Analyzes the request to find what language the user wants the system to
    show using only WSGI-available information. Only languages listed in
    settings.LANGUAGES are taken into account. If the user requests a sublanguage
    where we have a main language, we send out the main language.
    """
    global _supported
    if _supported is None:
        _supported = OrderedDict(settings.LANGUAGES)
    return (
        get_language_from_cookie(request)
        or get_language_from_browser(request)
        or get_default_language()
    )
 def get_language_from_request(request: HttpRequest) -> str:
    """
    Analyzes the request to find what language the user wants the system to
@@ -255,6 +196,7 @@ def get_language_from_request(request: HttpRequest) -> str:
    if request.path.startswith(get_script_prefix() + 'control'):
        return (
            get_language_from_user_settings(request)
            or get_language_from_customer_settings(request)
            or get_language_from_cookie(request)
            or get_language_from_browser(request)
            or get_language_from_event(request)
@@ -279,26 +221,7 @@ def _parse_csp(header):
    return h
 VALID_CSP_DIRECTIVES = [
    "child-src", "connect-src", "default-src", "fenced-frame-src", "font-src", "form-action", "frame-src", "img-src",
    "manifest-src", "media-src", "object-src", "prefetch-src", "report-uri", "script-src", "script-src-elem",
    "script-src-attr", "style-src", "style-src-elem", "style-src-attr", "worker-src",
 ]
 CSP_ILLEGAL_CHARS = re.compile(r'[\s,;]')
 def _sanitize_csp(h):
    for k, v in h.items():
        if k not in VALID_CSP_DIRECTIVES:
            raise ValueError("Invalid CSP directive " + k)
        if any(CSP_ILLEGAL_CHARS.search(el) for el in v):
            logger.warning("Stripping invalid component from CSP: %r", h)
            h[k] = [el for el in v if not CSP_ILLEGAL_CHARS.search(el)]
 def _render_csp(h):
    _sanitize_csp(h)
    return "; ".join(k + ' ' + ' '.join(v) for k, v in h.items() if v)
@@ -314,51 +237,25 @@ def _merge_csp(a, b):
    for k, v in a.items():
        if "'unsafe-inline'" in v:
            # If we need unsafe-inline, drop any hashes or nonce as they will be ignored otherwise
-            a[k] = [i for i in v if not i.startswith("'nonce-") and not i.startswith("'sha256-")]
+            a[k] = [i for i in v if not i.startswith("'nonce-") and not i.startswith("'sha-")]
 def add_to_response_csp(response, csp_to_merge):
    if "Content-Security-Policy" in response:
        csp = _parse_csp(response["Content-Security-Policy"])
    else:
        csp = {}
    _merge_csp(csp, csp_to_merge)
    if csp:
        response["Content-Security-Policy"] = _render_csp(csp)
 def add_to_response_csp_via_request(request, csp_to_merge):
    _merge_csp(request._csp_to_merge, csp_to_merge)
 def calculate_csp_hash(data):
    hash_str = base64.b64encode(hashlib.sha256(data.encode("utf-8")).digest()).decode("ascii")
    return f"'sha256-{hash_str}'"
 class SecurityMiddleware(MiddlewareMixin):
-    SAFE_TYPES = (
+    CSP_EXEMPT = (
-        # CSP policies are only used for:
+        '/api/v1/docs/',
        # - HTML and SVG in top-level contexts
        # - SVG or JS Workers delivered in embedded contexts
        # See: https://www.w3.org/TR/CSP2/#which-policy-applies
        # Therefore, we can save bandwidth on not including our (sometimes huge) policy
        # on API responses or CSS. We do however include it with other types as a precaution
        # (whitelist instead of blacklist) and we also do not whitelist JavaScript in
        # we ever add service workers to not break the protection of this feature:
        # https://www.w3.org/TR/CSP2/#sandboxing-and-workers
        'application/json',
        'text/css',
        # We used to skip CSP for PDF since it was necessary for inline previews in Safari,
        # but at the moment it does not seem to be an issue to just send it.
    )
    def process_request(self, request):
        request._csp_to_merge = {}
    def process_response(self, request, resp):
        def nested_dict_values(d):
            for v in d.values():
                if isinstance(v, dict):
                    yield from nested_dict_values(v)
                else:
                    if isinstance(v, str):
                        yield v
        url = resolve(request.path_info)
        if settings.DEBUG and resp.status_code >= 400:
            # Don't use CSP on debug error page as it breaks of Django's fancy error
            # pages
@@ -369,24 +266,18 @@ class SecurityMiddleware(MiddlewareMixin):
        # https://github.com/pretix/pretix/issues/765
        resp['P3P'] = 'CP=\"ALL DSP COR CUR ADM TAI OUR IND COM NAV INT\"'
-        if self._needs_csp(request, resp):
+        img_src = []
-            resp['Content-Security-Policy'] = _render_csp(self._build_csp(request, resp))
+        gs = global_settings_object(request)
-        elif 'Content-Security-Policy' in resp:
+        if gs.settings.leaflet_tiles:
-            del resp['Content-Security-Policy']
+            img_src.append(gs.settings.leaflet_tiles[:gs.settings.leaflet_tiles.index("/", 10)].replace("{s}", "*"))
-        return resp
+        font_src = set()
-
+        if hasattr(request, 'event'):
-    def _needs_csp(self, request, resp):
+            for font in get_fonts(request.event, pdf_support_required=False).values():
-        if "Content-Type" in resp and resp["Content-Type"].split(";")[0] in self.SAFE_TYPES:
+                for path in list(nested_dict_values(font)):
-            return False
+                    font_location = urlparse(path)
-
+                    if font_location.scheme and font_location.netloc:
-        if getattr(resp, '_csp_ignore', False):
+                        font_src.add('{}://{}'.format(font_location.scheme, font_location.netloc))
            return False
        return True
    def _build_csp(self, request, resp):
        url = resolve(request.path_info)
        h = {
            'default-src': ["{static}"],
@@ -394,9 +285,9 @@ class SecurityMiddleware(MiddlewareMixin):
            'object-src': ["'none'"],
            'frame-src': ['{static}'],
            'style-src': ["{static}", "{media}"],
-            'connect-src': ["{static}", "{dynamic}", "{media}"],
+            'connect-src': ["{dynamic}", "{media}"],
-            'img-src': ["{static}", "{media}", "data:"],
+            'img-src': ["{static}", "{media}", "data:"] + img_src,
-            'font-src': ["{static}"],
+            'font-src': ["{static}"] + list(font_src),
            'media-src': ["{static}", "data:"],
            # form-action is not only used to match on form actions, but also on URLs
            # form-actions redirect to. In the context of e.g. payment providers or
@@ -405,18 +296,17 @@ class SecurityMiddleware(MiddlewareMixin):
            'form-action': ["{dynamic}", "https:"] + (['http:'] if settings.SITE_URL.startswith('http://') else []),
        }
        gs = global_settings_object(request)
        if gs.settings.leaflet_tiles:
            h['img-src'].append(gs.settings.leaflet_tiles[:gs.settings.leaflet_tiles.index("/", 10)].replace("{s}", "*"))
        if hasattr(request, 'event'):
            h['font-src'] += list(self._get_font_origins(request.event))
        if settings.VITE_DEV_MODE:
            h['script-src'] += ["http://localhost:5173", "ws://localhost:5173"]
            h['style-src'] += ["'unsafe-inline'"]
            h['connect-src'] += ["http://localhost:5173", "ws://localhost:5173"]
        if hasattr(request, 'csp_nonce'):
            nonce = f"'nonce-{request.csp_nonce}'"
            h['script-src'].append(nonce)
            if not settings.VITE_DEV_MODE:
                # can't have 'unsafe-inline' and nonce at the same time
                h['style-src'].append(nonce)
        # Only include pay.google.com for wallet detection purposes on the Payment selection page
        if (
                url.url_name == "event.order.pay.change" or
@@ -425,35 +315,27 @@ class SecurityMiddleware(MiddlewareMixin):
            h['script-src'].append('https://pay.google.com')
            h['frame-src'].append('https://pay.google.com')
            h['connect-src'].append('https://google.com/pay')
        if settings.LOG_CSP:
            h['report-uri'] = ["/csp_report/"]
        if request._csp_to_merge:
            _merge_csp(h, request._csp_to_merge)
        if 'Content-Security-Policy' in resp:
            _merge_csp(h, _parse_csp(resp['Content-Security-Policy']))
        if settings.CSP_ADDITIONAL_HEADER:
            _merge_csp(h, _parse_csp(settings.CSP_ADDITIONAL_HEADER))
-        placeholders = {
+        staticdomain = "'self'"
-            "{static}": ["'self'"],
+        dynamicdomain = "'self'"
-            "{dynamic}": ["'self'"],
+        mediadomain = "'self'"
            "{media}": ["'self'"],
        }
        if settings.MEDIA_URL.startswith('http'):
-            placeholders["{media}"].append(settings.MEDIA_URL[:settings.MEDIA_URL.find('/', 9)])
+            mediadomain += " " + settings.MEDIA_URL[:settings.MEDIA_URL.find('/', 9)]
        if settings.STATIC_URL.startswith('http'):
-            placeholders["{static}"].append(settings.STATIC_URL[:settings.STATIC_URL.find('/', 9)])
+            staticdomain += " " + settings.STATIC_URL[:settings.STATIC_URL.find('/', 9)]
        if settings.SITE_URL.startswith('http'):
            if settings.SITE_URL.find('/', 9) > 0:
-                placeholders["{static}"].append(settings.SITE_URL[:settings.SITE_URL.find('/', 9)])
+                staticdomain += " " + settings.SITE_URL[:settings.SITE_URL.find('/', 9)]
-                placeholders["{dynamic}"].append(settings.SITE_URL[:settings.SITE_URL.find('/', 9)])
+                dynamicdomain += " " + settings.SITE_URL[:settings.SITE_URL.find('/', 9)]
            else:
-                placeholders["{static}"].append(settings.SITE_URL)
+                staticdomain += " " + settings.SITE_URL
-                placeholders["{dynamic}"].append(settings.SITE_URL)
+                dynamicdomain += " " + settings.SITE_URL
        if hasattr(request, 'organizer') and request.organizer:
            if hasattr(request, 'event') and request.event:
@@ -464,29 +346,18 @@ class SecurityMiddleware(MiddlewareMixin):
                siteurlsplit = urlsplit(settings.SITE_URL)
                if siteurlsplit.port and siteurlsplit.port not in (80, 443):
                    domain = '%s:%d' % (domain, siteurlsplit.port)
-                placeholders["{dynamic}"].append(domain)
+                dynamicdomain += " " + domain
-        for k, v in h.items():
+        if request.path not in self.CSP_EXEMPT and not getattr(resp, '_csp_ignore', False):
-            h[k] = sorted(set(result for part in v for result in placeholders.get(part, [part])))
+            resp['Content-Security-Policy'] = _render_csp(h).format(static=staticdomain, dynamic=dynamicdomain,
                                                                    media=mediadomain)
            for k, v in h.items():
                h[k] = sorted(set(' '.join(v).format(static=staticdomain, dynamic=dynamicdomain, media=mediadomain).split(' ')))
            resp['Content-Security-Policy'] = _render_csp(h)
        elif 'Content-Security-Policy' in resp:
            del resp['Content-Security-Policy']
-        return h
+        return resp
    def _get_font_origins(self, event):
        def nested_dict_values(d):
            for v in d.values():
                if isinstance(v, dict):
                    yield from nested_dict_values(v)
                else:
                    if isinstance(v, str):
                        yield v
        font_src = set()
        for font in get_fonts(event, pdf_support_required=False).values():
            for path in list(nested_dict_values(font)):
                font_location = urlparse(path)
                if font_location.scheme and font_location.netloc:
                    font_src.add('{}://{}'.format(font_location.scheme, font_location.netloc))
        return font_src
 class RejectInvalidInputMiddleware(MiddlewareMixin):
@@ -497,16 +368,8 @@ class RejectInvalidInputMiddleware(MiddlewareMixin):
        if "\x00" in request.META['QUERY_STRING'] or "%00" in request.META['QUERY_STRING']:
            raise BadRequest("Invalid characters in input.")
        if request.method in ('POST', 'PUT', 'PATCH') and request.content_type == "application/x-www-form-urlencoded":
-            try:
+            if any("\x00" in value for key, value_list in request.POST.lists() for value in value_list):
-                post_data = request.POST.lists()
+                raise BadRequest("Invalid characters in input.")
            except BadRequest:
                # Reading request.POST wasn't possible, probably an invalid charset. Django will crash once we actually
                # use request.POST, but if we don't, let's not crash it (required for some weird payment provider
                # webhooks, e.g. computop).
                pass
            else:
                if any("\x00" in value for key, value_list in post_data for value in value_list):
                    raise BadRequest("Invalid characters in input.")
 class CustomCommonMiddleware(CommonMiddleware):
@@ -1,35 +0,0 @@
 # Generated by Django 4.2.26 on 2025-11-24 11:32
 from django.db import migrations, models
 class Migration(migrations.Migration):
    dependencies = [
        ("pretixbase", "0299_itemprogramtime_location"),
    ]
    operations = [
        migrations.AddField(
            model_name="reusablemedium",
            name="claim_token",
            field=models.CharField(max_length=200, null=True),
        ),
        migrations.AddField(
            model_name="reusablemedium",
            name="label",
            field=models.CharField(max_length=200, null=True),
        ),
        # use temporary related_name "linked_mediums" for ManyToManyField, so we can migrate existing data
        migrations.AddField(
            model_name="reusablemedium",
            name="linked_orderpositions",
            field=models.ManyToManyField(
                related_name="linked_mediums", to="pretixbase.orderposition"
            ),
        ),
        migrations.RunSQL(
            sql="INSERT INTO pretixbase_reusablemedium_linked_orderpositions (reusablemedium_id, orderposition_id) SELECT id, linked_orderposition_id FROM pretixbase_reusablemedium WHERE linked_orderposition_id IS NOT NULL;",
            reverse_sql="DELETE FROM pretixbase_reusablemedium_linked_orderpositions;",
        ),
    ]
@@ -1,44 +0,0 @@
 # Generated by Django 4.2.26 on 2025-11-24 11:32
 from django.db import migrations, models
 def reverse(apps, schema_editor):
    ReusableMedium = apps.get_model('pretixbase', 'ReusableMedium')
    qs = ReusableMedium.linked_orderpositions.through.objects
    objs = []
    # get last added orderposition from linked_orderpositions
    for rm_id, op_id in qs.filter(id__in=qs.values("reusablemedium_id").annotate(max_id=models.Max('id')).values('max_id')).values_list("reusablemedium_id", "orderposition_id"):
        obj = ReusableMedium(
            id=rm_id,
            linked_orderposition_id=op_id,
        )
        objs.append(obj)
    ReusableMedium.objects.bulk_update(objs, ['linked_orderposition_id'])
 class Migration(migrations.Migration):
    dependencies = [
        ("pretixbase", "0300_add_reusablemedium_label"),
    ]
    operations = [
        # according to the docs, UPDATE FROM should run similarly on sqlite and postgres, but I could not get it to work
        # so roll back the data migration with code before deleting data from through-table in 0297
        migrations.RunPython(migrations.RunPython.noop, reverse),
        migrations.RemoveField(
            model_name="reusablemedium",
            name="linked_orderposition",
        ),
        # change related_name for new ManyToManyField to previously used linked_media
        migrations.AlterField(
            model_name="reusablemedium",
            name="linked_orderpositions",
            field=models.ManyToManyField(
                related_name="linked_media", to="pretixbase.orderposition"
            ),
        ),
    ]
@@ -1,58 +0,0 @@
 # Generated by Django 4.2.8 on 2024-07-01 09:27
 import logging
 from django.db import migrations
 from django.db.models import Count
 logger = logging.getLogger(__name__)
 def clean_duplicate_secrets(apps, schema_editor):
    # This will autofix all possible duplicate Order.code and OrderPosition.secret values,
    # unless Order.code is already too long to append something. This would need to be fixed by
    # sysadmins manually.
    OrderPosition = apps.get_model("pretixbase", "OrderPosition")
    Order = apps.get_model("pretixbase", "Order")
    qs = OrderPosition.all.values("secret", "order__event__organizer_id").order_by().annotate(c=Count("*")).filter(c__gt=1)
    for row in qs:
        affected = OrderPosition.all.filter(
            **{k: v for k, v in row.items() if k != "c"}
        ).order_by("pk")
        logger.error(f"Found {row['c']} tickets with with the same secret \"{row['secret']}\" in organizer {row['order__event__organizer_id']}, all except one will be changed")
        for i, a in enumerate(affected):
            if i > 0:
                a.secret = a.secret + "__dupl__" + str(a.pk)
                logger.info(
                    f"Ticket {a.pk} has new secret {a.secret}"
                )
            a.save(update_fields=["organizer_id", "secret"])
    qs = Order.objects.values("code", "event__organizer_id").order_by().annotate(c=Count("*")).filter(c__gt=1)
    for row in qs:
        affected = Order.objects.filter(
            **{k: v for k, v in row.items() if k != "c"}
        ).order_by("pk")
        logger.error(f"Found {row['c']} orders with with the same code \"{row['code']}\" in organizer {row['event__organizer_id']}, all except one will be changed")
        for i, a in enumerate(affected):
            if i > 0:
                if len(a.code) > 16 - len(str(a.pk)):
                    raise ValueError(f"Cannot auto-fix order with duplicate code {a.code}, order code is too long already")
                a.code = a.code + str(a.pk).zfill(16 - len(a.code))
                logger.info(
                    f"Order {a.pk} has new code {a.code}"
                )
            a.save(update_fields=["organizer_id", "code"])
 class Migration(migrations.Migration):
    dependencies = [
        (
            "pretixbase",
            "0301_reusablemedium_remove_orderposition",
        ),
    ]
    operations = [
        migrations.RunPython(clean_duplicate_secrets, migrations.RunPython.noop),
    ]
@@ -1,46 +0,0 @@
 # Generated by Django 4.2.8 on 2024-07-01 09:27
 import django.db.models.deletion
 from django.db import migrations, models
 class Migration(migrations.Migration):
    dependencies = [
        (
            "pretixbase",
            "0302_resolve_duplicate_codes_and_secrets",
        ),
    ]
    operations = [
        migrations.RunSQL(
            "UPDATE pretixbase_order "
            "SET organizer_id = (SELECT e.organizer_id FROM pretixbase_event e WHERE e.id = pretixbase_order.event_id) "
            "WHERE pretixbase_order.organizer_id IS NULL;",
            migrations.RunSQL.noop,
        ),
        migrations.RunSQL(
            "UPDATE pretixbase_orderposition "
            "SET organizer_id = (SELECT e.organizer_id FROM pretixbase_order o LEFT JOIN pretixbase_event e ON e.id = o.event_id WHERE o.id = pretixbase_orderposition.order_id) "
            "WHERE pretixbase_orderposition.organizer_id IS NULL;",
            migrations.RunSQL.noop,
        ),
        migrations.AlterField(
            model_name="order",
            name="organizer",
            field=models.ForeignKey(
                on_delete=django.db.models.deletion.CASCADE,
                related_name="orders",
                to="pretixbase.organizer",
            ),
        ),
        migrations.AlterField(
            model_name="orderposition",
            name="organizer",
            field=models.ForeignKey(
                on_delete=django.db.models.deletion.CASCADE,
                related_name="order_positions",
                to="pretixbase.organizer",
            ),
        ),
    ]
@@ -1,48 +0,0 @@
 # Generated by Django 5.2.12 on 2026-04-15 20:10
 from decimal import Decimal
 from django.db import migrations, models
 import pretix.helpers.models
 class Migration(migrations.Migration):
    dependencies = [
        ('pretixbase', '0303_alter_order_organizer_alter_orderposition_organizer'),
    ]
    operations = [
        migrations.AlterField(
            model_name='cartposition',
            name='tax_rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, default=Decimal('0'), max_digits=7),
        ),
        migrations.AlterField(
            model_name='invoiceline',
            name='tax_rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, default=Decimal('0'), max_digits=7),
        ),
        migrations.AlterField(
            model_name='orderfee',
            name='tax_rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, max_digits=7),
        ),
        migrations.AlterField(
            model_name='orderposition',
            name='tax_rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, max_digits=7),
        ),
        migrations.AlterField(
            model_name='transaction',
            name='tax_rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, max_digits=7),
        ),
        migrations.AlterField(
            model_name='taxrule',
            name='rate',
            field=pretix.helpers.models.NormalizedDecimalField(decimal_places=4, max_digits=7),
        ),
    ]
@@ -1,91 +0,0 @@
 # Generated by Django 5.2.12 on 2026-04-28 11:34
 import logging
 from django.db import IntegrityError, migrations, transaction
 from django.db.models import Count, F
 logger = logging.getLogger(__name__)
 def fix_cross_organizer_eventmetavalues(apps, schema_editor):
    EventMetaProperty = apps.get_model("pretixbase", "EventMetaProperty")
    EventMetaValue = apps.get_model("pretixbase", "EventMetaValue")
    cross_org_values = EventMetaValue.objects.filter(
        event__organizer__pk__ne=F('property__organizer__pk')
    ).order_by('event__organizer__slug', 'event__slug')
    for emv in cross_org_values:
        logger.warning("%s", f"Fixing cross-organizer EventMetaValue: {emv.event.organizer.slug}/{emv.event.slug}")
        logger.warning("  %s", f"{emv.property.name}({emv.property.id}@{emv.property.organizer.slug}) = {repr(emv.value)}")
        try:
            emv.property = emv.event.organizer.meta_properties.get(name=emv.property.name)
            if EventMetaValue.objects.filter(event=emv.event, property=emv.property).exists():
                correct = EventMetaValue.objects.get(event=emv.event, property=emv.property)
                if correct.value != emv.value:
                    logger.warning("  %s", f"WARN: conflicting EventMetaValue with property in correct organizer already exists, deleting the cross-organizer one")
                else:
                    logger.warning("  %s", f"OK: same-value EventMetaValue with property in correct organizer already exists, deleting the cross-organizer one")
                logger.warning("  %s", f"keeping: {correct.property.name}({correct.property.id}@{correct.property.organizer.slug}) = {repr(correct.value)}")
                emv.delete()
            else:
                logger.warning("  %s", f"OK: found existing EventMetaProperty in {emv.event.organizer.slug}, updating reference")
                logger.warning("  %s", f"after: {emv.property.name}({emv.property.id}@{emv.property.organizer.slug}) = {repr(emv.value)}")
                emv.save(update_fields=["property"])
        except EventMetaProperty.DoesNotExist:
            meta_prop = emv.property
            meta_prop.pk = None
            meta_prop.organizer = emv.event.organizer
            meta_prop.filter_public = False
            meta_prop.save(force_insert=True)
            logger.warning("  %s", f"WARN: found no matching EventMetaProperty, creating")
            logger.warning("  %s", f"after: {emv.property.name}({emv.property.id}@{emv.property.organizer.slug}) = {repr(emv.value)}")
            emv.save(update_fields=["property"])
 def make_eventmetaproperties_unique(apps, schema_editor):
    EventMetaProperty = apps.get_model("pretixbase", "EventMetaProperty")
    EventMetaValue = apps.get_model("pretixbase", "EventMetaValue")
    duplicates = EventMetaProperty.objects.values('organizer', 'organizer__slug', 'name').annotate(count=Count('id')).filter(count__gt=1)
    for dup in duplicates:
        logger.warning("%s", f"Fixup duplicate property {dup['organizer__slug']} {dup['name']}")
        props = list(EventMetaProperty.objects.filter(organizer=dup['organizer'], name=dup['name']))
        target = props[0]
        invalid = props[1:]
        try:
            with transaction.atomic():
                affected = EventMetaValue.objects.filter(
                    event__organizer=dup['organizer'], property__in=invalid
                ).update(
                    property=target
                )
                logger.warning("%s", f"  Switching {affected} value(s) over to {target.name}({target.id}@{target.organizer.slug})")
        except IntegrityError as e:
            logger.warning("%s", f"  Failed to switch all value(s) over to {target.name}({target.id}@{target.organizer.slug})")
            logger.warning("%s", f"  {e}")
            for prop in invalid:
                newname = f'{prop.name}_DUPLICATE_{prop.id}'
                logger.warning("%s", f"  Renaming {prop.name}({prop.id}@{prop.organizer.slug}) to {newname}({prop.id}@{prop.organizer.slug})")
                prop.name = newname
                prop.filter_public = False
                prop.save()
        else:
            for prop in invalid:
                logger.warning("%s", f"  Deleting {prop.name}({prop.id}@{prop.organizer.slug})")
                prop.delete()
 class Migration(migrations.Migration):
    dependencies = [
        ("pretixbase", "0304_tax_rate_decimals"),
    ]
    operations = [
        migrations.RunPython(fix_cross_organizer_eventmetavalues, migrations.RunPython.noop),
        migrations.RunPython(make_eventmetaproperties_unique, migrations.RunPython.noop),
    ]
@@ -1,17 +0,0 @@
 # Generated by Django 5.2.12 on 2026-04-28 11:34
 from django.db import migrations
 class Migration(migrations.Migration):
    dependencies = [
        ("pretixbase", "0305_fixup_eventmetaproperties"),
    ]
    operations = [
        migrations.AlterUniqueTogether(
            name="eventmetaproperty",
            unique_together={("organizer", "name")},
        ),
    ]
@@ -1,43 +0,0 @@
 # Generated by Django 5.2.16 on 2026-08-05 08:00
 import django.db.models.deletion
 from django.db import migrations, models
 import pretix.helpers.database
 class Migration(migrations.Migration):
    dependencies = [
        ("pretixbase", "0306_alter_eventmetaproperty_unique_together"),
    ]
    operations = [
        migrations.CreateModel(
            name="DeviceLastSeen",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False
                    ),
                ),
                ("last_seen", models.DateTimeField(auto_now=True)),
                (
                    "device",
                    models.OneToOneField(
                        on_delete=django.db.models.deletion.CASCADE,
                        to="pretixbase.device",
                    ),
                ),
            ],
        ),
        migrations.AddIndex(
            model_name="devicelastseen",
            index=pretix.helpers.database.BrinIndexIgnoredOnSQLite(
                models.F("last_seen"),
                autosummarize=True,
                name="pretixbase_device_last_seen",
            ),
        ),
    ]
@@ -57,7 +57,7 @@ from django_otp.models import Device
 from django_scopes import scopes_disabled
 from pretix.base.i18n import language
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri
 from ...helpers.countries import FastCountryField
 from ...helpers.u2f import pub_key_from_der, websafe_decode
@@ -373,12 +373,12 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
        mail(
            email or self.email,
-            _('Changes to your account'),
+            _('Account information changed'),
            'pretixcontrol/email/security_notice.txt',
            {
                'user': self,
                'messages': msg,
-                'url': mainreverse_absolute('control:user.settings'),
+                'url': build_absolute_uri('control:user.settings'),
                'instance': settings.PRETIX_INSTANCE_NAME,
            },
            event=None,
@@ -400,13 +400,12 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
        with language(self.locale):
            if reason == 'email_change':
-                msg = str(_('To change your email address from {old_email} to {new_email}, use the following code:').format(
+                msg = str(_('to confirm changing your email address from {old_email}\nto {new_email}, use the following code:').format(
                    old_email=self.email, new_email=email,
                ))
            elif reason == 'email_verify':
-                msg = str(_('To verify your email address {email} on {instance}, use the following code:').format(
+                msg = str(_('to confirm that your email address {email} belongs to your pretix account, use the following code:').format(
                    email=self.email,
                    instance=settings.PRETIX_INSTANCE_NAME,
                ))
            else:
                raise Exception('Invalid confirmation code reason')
@@ -419,7 +418,7 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
        }
        mail(
            email or self.email,
-            _('Your confirmation code'),
+            _('pretix confirmation code'),
            'pretixcontrol/email/confirmation_code.txt',
            {
                'user': self,
@@ -463,13 +462,11 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
        from pretix.base.services.mail import mail
        mail(
-            self.email,
+            self.email, _('Password recovery'), 'pretixcontrol/email/forgot.txt',
            _('Reset your password'),
            'pretixcontrol/email/forgot.txt',
            {
                'instance': settings.PRETIX_INSTANCE_NAME,
                'user': self,
-                'url': (mainreverse_absolute('control:auth.forgot.recover')
+                'url': (build_absolute_uri('control:auth.forgot.recover')
                        + '?id=%d&token=%s' % (self.id, default_token_generator.make_token(self)))
            },
            None, locale=self.locale, user=self
@@ -650,22 +647,25 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
            id__in=self.teams.filter(TeamQuerySet.organizer_permission_q(permission)).values_list('organizer', flat=True)
        )
-    def has_active_staff_session(self, session_key):
+    def has_active_staff_session(self, session_key=None):
        """
        Returns whether or not a user has an active staff session (formerly known as superuser session)
        with the given session key.
        """
        return self.get_active_staff_session(session_key) is not None
-    def get_active_staff_session(self, session_key):
+    def get_active_staff_session(self, session_key=None):
-        if not self.is_staff or not session_key:
+        if not self.is_staff:
            return None
        if not hasattr(self, '_staff_session_cache'):
            self._staff_session_cache = {}
        if session_key not in self._staff_session_cache:
-            sess = StaffSession.objects.filter(
+            qs = StaffSession.objects.filter(
-                user=self, date_end__isnull=True, session_key=session_key
+                user=self, date_end__isnull=True
-            ).first()
+            )
            if session_key:
                qs = qs.filter(session_key=session_key)
            sess = qs.first()
            if sess:
                if sess.date_start < now() - timedelta(seconds=settings.PRETIX_SESSION_TIMEOUT_ABSOLUTE):
                    sess.date_end = now()
@@ -346,14 +346,11 @@ class Checkin(models.Model):
    REASON_INCOMPLETE = 'incomplete'
    REASON_ALREADY_REDEEMED = 'already_redeemed'
    REASON_AMBIGUOUS = 'ambiguous'
    REASON_MEDIUM_INVALID = 'medium_invalid'
    REASON_MEDIUM_EXISTS = 'medium_exists'
    REASON_ERROR = 'error'
    REASON_BLOCKED = 'blocked'
    REASON_UNAPPROVED = 'unapproved'
    REASON_INVALID_TIME = 'invalid_time'
    REASON_ANNULLED = 'annulled'
    REASON_ALREADY_EXCHANGED = 'already_exchanged'
    REASONS = (
        (REASON_CANCELED, _('Order canceled')),
        (REASON_INVALID, _('Unknown ticket')),
@@ -369,9 +366,6 @@ class Checkin(models.Model):
        (REASON_UNAPPROVED, _('Order not approved')),
        (REASON_INVALID_TIME, _('Ticket not valid at this time')),
        (REASON_ANNULLED, _('Check-in annulled')),
        (REASON_ALREADY_EXCHANGED, _('Ticket already exchanged')),
        (REASON_MEDIUM_INVALID, _('Reusable medium invalid')),
        (REASON_MEDIUM_EXISTS, _('Reusable medium already exists')),
    )
    successful = models.BooleanField(
@@ -167,7 +167,7 @@ class Customer(LoggedModel):
    def send_security_notice(self, message, email=None):
        from pretix.base.services.mail import SendMailException, mail
-        from pretix.multidomain.urlreverse import eventreverse_absolute
+        from pretix.multidomain.urlreverse import build_absolute_uri
        try:
            with language(self.locale):
@@ -178,7 +178,7 @@ class Customer(LoggedModel):
                    {
                        **self.get_email_context(),
                        'message': str(message),
-                        'url': eventreverse_absolute(self.organizer, 'presale:organizer.customer.index')
+                        'url': build_absolute_uri(self.organizer, 'presale:organizer.customer.index')
                    },
                    customer=self,
                    organizer=self.organizer,
@@ -299,12 +299,12 @@ class Customer(LoggedModel):
    def send_activation_mail(self):
        from pretix.base.services.mail import mail
-        from pretix.multidomain.urlreverse import eventreverse_absolute
+        from pretix.multidomain.urlreverse import build_absolute_uri
        from pretix.presale.forms.customer import TokenGenerator
        ctx = self.get_email_context()
        token = TokenGenerator().make_token(self)
-        ctx['url'] = eventreverse_absolute(
+        ctx['url'] = build_absolute_uri(
            self.organizer,
            'presale:organizer.customer.activate'
        ) + '?id=' + self.identifier + '&token=' + token
@@ -395,7 +395,7 @@ class AttendeeProfile(models.Model):
            self.company,
            self.street,
            (self.zipcode or '') + ' ' + (self.city or '') + ' ' + (self.state_for_address or ''),
-            self.country.name if self.country else None,
+            self.country.name,
        ]
        for a in self.answers:
            value = a.get('value')
@@ -20,13 +20,11 @@
 # <https://www.gnu.org/licenses/>.
 #
 import string
 from datetime import timedelta
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import Max
 from django.utils.crypto import get_random_string
 from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from django_scopes import ScopedManager, scopes_disabled
@@ -34,7 +32,6 @@ from pretix.base.models import LoggedModel
 from pretix.base.permissions import (
    AnyPermissionOf, assert_valid_event_permission,
 )
 from pretix.helpers import BrinIndexIgnoredOnSQLite
@scopes_disabled()
@@ -290,27 +287,3 @@ class Device(LoggedModel):
            return self.get_events_with_any_permission()
        else:
            return self.organizer.events.none()
 class DeviceLastSeen(models.Model):
    # This is a separate model since we expect it to get A LOT of writes and PostgreSQL always
    # writes full rows and then needs to update all indexes on the row, so this is going to save a
    # lot of write traffic on the databse
    device = models.OneToOneField("Device", on_delete=models.CASCADE, related_name="last_seen")
    last_seen = models.DateTimeField(auto_now=True)
    class Meta:
        indexes = [
            BrinIndexIgnoredOnSQLite(
                # BRIN indexes are highly efficient on lots of updates, especially of chronological data
                # and especially if we later want to query them by range, as we likely want to.
                "last_seen",
                name="pretixbase_device_last_seen",
                autosummarize=True
            )
        ]
    @property
    def is_recent(self):
        # pretixSCAN/pretixPOS sync every 5 minutes, so 7 minutes can be considered "offline"
        return now() - self.last_seen < timedelta(minutes=7)
@@ -40,7 +40,6 @@ import warnings
 from collections import Counter, OrderedDict, defaultdict
 from datetime import datetime, time, timedelta
 from operator import attrgetter
 from typing import TYPE_CHECKING
 from urllib.parse import urljoin
 from zoneinfo import ZoneInfo
@@ -80,16 +79,10 @@ from pretix.helpers.thumb import get_thumbnail
 from ..settings import settings_hierarkey
 from .organizer import Organizer, Team
 if TYPE_CHECKING:
    from hierarkey.proxy import HierarkeyProxy
 logger = logging.getLogger(__name__)
 class EventMixin:
    if TYPE_CHECKING:
        settings: HierarkeyProxy
    def clean(self):
        if self.presale_start and self.presale_end and self.presale_start > self.presale_end:
            raise ValidationError({'presale_end': _('The end of the presale period has to be later than its start.')})
@@ -179,12 +172,6 @@ class EventMixin:
            self.date_to.astimezone(tz), ("D" if short else "l")
        )
    def is_same_day(self):
        if not self.date_to:
            return True
        else:
            return self.date_from.astimezone(self.timezone).date() == self.date_to.astimezone(self.timezone).date()
    def get_date_range_display(self, tz=None, force_show_end=False, as_html=False, try_to_show_times=False) -> str:
        """
        Returns a formatted string containing the start date and the end date
@@ -238,9 +225,6 @@ class EventMixin:
    @property
    def timezone(self):
        # If we get rid of the shim, verify that
        # https://github.com/py-vobject/vobject/issues/117#issuecomment-5045645314
        # has been released and included
        return pytz_deprecation_shim.timezone(self.settings.timezone)
    @property
@@ -658,7 +642,7 @@ class Event(EventMixin, LoggedModel):
    is_remote = models.BooleanField(
        default=False,
        verbose_name=_("This event is remote or partially remote."),
-        help_text=_("This will be used to let users know if the event is in a different timezone, and to let us calculate the local time of a user."),
+        help_text=_("This will be used to let users know if the event is in a different timezone and let’s us calculate users’ local times."),
    )
    geo_lat = models.FloatField(
        verbose_name=_("Latitude"),
@@ -740,7 +724,7 @@ class Event(EventMixin, LoggedModel):
    @property
    def social_image(self):
-        from pretix.multidomain.urlreverse import eventreverse_absolute
+        from pretix.multidomain.urlreverse import build_absolute_uri
        img = None
        logo_file = self.settings.get('logo_image', as_type=str, default='')[7:]
@@ -758,7 +742,7 @@ class Event(EventMixin, LoggedModel):
                logger.exception(f'Failed to create thumbnail of {logo_file}')
                img = default_storage.url(logo_file)
        if img:
-            return urljoin(eventreverse_absolute(self, 'presale:event.index'), img)
+            return urljoin(build_absolute_uri(self, 'presale:event.index'), img)
    def _seats(self, ignore_voucher=None):
        from .seating import Seat
@@ -899,8 +883,6 @@ class Event(EventMixin, LoggedModel):
            ItemProgramTime, ItemVariationMetaValue, Question, Quota,
        )
        is_cross_organizer = other.organizer_id != self.organizer_id
        #  Note: avoid self.set_active_plugins(), it causes trouble e.g. for the badges plugin.
        #  Plugins can create data in installed() hook based on existing data of the event.
        #  Calling set_active_plugins() results in defaults being created while actually data
@@ -915,7 +897,7 @@ class Event(EventMixin, LoggedModel):
        self.save()
        self.log_action('pretix.object.cloned', data={'source': other.slug, 'source_id': other.pk})
-        if hasattr(other, 'alternative_domain_assignment') and not is_cross_organizer:
+        if hasattr(other, 'alternative_domain_assignment'):
            other.alternative_domain_assignment.domain.event_assignments.create(event=self)
        if not self.all_sales_channels:
@@ -929,15 +911,6 @@ class Event(EventMixin, LoggedModel):
            for emv in EventMetaValue.objects.filter(event=other):
                emv.pk = None
                emv.event = self
                if is_cross_organizer:
                    try:
                        emv.property = self.organizer.meta_properties.get(name=emv.property.name)
                    except EventMetaProperty.DoesNotExist:
                        meta_prop = emv.property
                        meta_prop.pk = None
                        meta_prop.organizer = self.organizer
                        meta_prop.save(force_insert=True)
                        emv.property = meta_prop
                emv.save(force_insert=True)
        for fl in EventFooterLink.objects.filter(event=other):
@@ -991,13 +964,13 @@ class Event(EventMixin, LoggedModel):
            if i.tax_rule_id:
                i.tax_rule = tax_map[i.tax_rule_id]
-            if i.grant_membership_type and is_cross_organizer:
+            if i.grant_membership_type and other.organizer_id != self.organizer_id:
                i.grant_membership_type = None
            i.save()  # no force_insert since i.picture.save could have already inserted
            i.log_action('pretix.object.cloned')
-            if require_membership_types and not is_cross_organizer:
+            if require_membership_types and other.organizer_id == self.organizer_id:
                i.require_membership_types.set(require_membership_types)
            if not i.all_sales_channels:
@@ -1012,7 +985,7 @@ class Event(EventMixin, LoggedModel):
                v._prefetched_objects_cache = {}
                v.save(force_insert=True)
-                if require_membership_types and not is_cross_organizer:
+                if require_membership_types and other.organizer_id == self.organizer_id:
                    v.require_membership_types.set(require_membership_types)
                if not v.all_sales_channels:
                    v.limit_sales_channels.set(self.organizer.sales_channels.filter(identifier__in=[s.identifier for s in limit_sales_channels]))
@@ -1412,12 +1385,15 @@ class Event(EventMixin, LoggedModel):
        for mp in self.organizer.meta_properties.all():
            if mp.required and not self.meta_data.get(mp.name):
-                issues.append(format_html(
+                issues.append(
-                    '<a href="{href}{href_hash}">{text}</a>',
+                    ('<a {a_attr}>' + gettext('You need to fill the meta parameter "{property}".') + '</a>').format(
-                    text=gettext('You need to fill the meta parameter "{property}".').format(property=mp.name),
+                        property=mp.name,
-                    href=reverse('control:event.settings', kwargs={'organizer': self.organizer.slug, 'event': self.slug}),
+                        a_attr='href="%s#id_prop-%d-value"' % (
-                    href_hash=f'#id_prop-{mp.pk}-value',
+                            reverse('control:event.settings', kwargs={'organizer': self.organizer.slug, 'event': self.slug}),
-                ))
+                            mp.pk
                        )
                    )
                )
        responses = event_live_issues.send(self)
        for receiver, response in sorted(responses, key=lambda r: str(r[0])):
@@ -1860,7 +1836,6 @@ class EventMetaProperty(LoggedModel):
    class Meta:
        ordering = ("position", "name",)
        unique_together = ('organizer', 'name')
    @property
    def choice_keys(self):
@@ -1894,8 +1869,6 @@ class EventMetaValue(LoggedModel):
            self.event.cache.clear()
    def save(self, *args, **kwargs):
        if self.event and self.event.organizer != self.property.organizer:
            raise ValidationError(_("Property and event must belong to the same organizer."))
        super().save(*args, **kwargs)
        if self.event:
            self.event.cache.clear()
@@ -49,7 +49,6 @@ from django_scopes import ScopedManager
 from pretix.base.settings import COUNTRIES_WITH_STATE_IN_ADDRESS
 from pretix.helpers.countries import FastCountryField
 from pretix.helpers.models import NormalizedDecimalField
 def invoice_filename(instance, filename: str) -> str:
@@ -451,7 +450,7 @@ class InvoiceLine(models.Model):
    description = models.TextField()
    gross_value = models.DecimalField(max_digits=13, decimal_places=2)
    tax_value = models.DecimalField(max_digits=13, decimal_places=2, default=Decimal('0.00'))
-    tax_rate = NormalizedDecimalField(max_digits=7, decimal_places=4, default=Decimal('0'))
+    tax_rate = models.DecimalField(max_digits=7, decimal_places=2, default=Decimal('0.00'))
    tax_name = models.CharField(max_length=190)
    tax_code = models.CharField(max_length=190, null=True, blank=True)
    subevent = models.ForeignKey('SubEvent', null=True, blank=True, on_delete=models.PROTECT)
@@ -452,16 +452,11 @@ class Item(LoggedModel):
    MEDIA_POLICY_REUSE = 'reuse'
    MEDIA_POLICY_NEW = 'new'
    MEDIA_POLICY_REUSE_OR_NEW = 'reuse_or_new'
    MEDIA_POLICY_APPEND = 'append'
    MEDIA_POLICY_APPEND_OR_NEW = 'append_or_new'
    MEDIA_POLICIES = (
-        (None, _("Don't use reusable media, use regular one-off tickets")),
+        (None, _("Don't use re-usable media, use regular one-off tickets")),
        (MEDIA_POLICY_REUSE, _('Require an existing medium to be re-used')),
        (MEDIA_POLICY_NEW, _('Require a previously unknown medium to be newly added')),
-        (MEDIA_POLICY_REUSE, _('Require an existing medium to be reused, replacing any previous tickets')),
+        (MEDIA_POLICY_REUSE_OR_NEW, _('Require either an existing or a new medium to be used')),
        (MEDIA_POLICY_REUSE_OR_NEW, _('Require either an existing or a new medium to be used, replacing any previous tickets')),
        (MEDIA_POLICY_APPEND, _('Require an existing medium to be reused, adding to any previous tickets')),
        (MEDIA_POLICY_APPEND_OR_NEW,
         _('Require either an existing or a new medium to be used, adding to any previous tickets')),
    )
    objects = ItemQuerySetManager()
@@ -774,7 +769,7 @@ class Item(LoggedModel):
        null=True, blank=True, max_length=16,
        verbose_name=_('Reusable media policy'),
        help_text=_(
-            'If this product should be stored on a reusable physical medium, you can attach a physical media policy. '
+            'If this product should be stored on a re-usable physical medium, you can attach a physical media policy. '
            'This is not required for regular tickets, which just use a one-time barcode, but only for products like '
            'renewable season tickets or re-chargeable gift card wristbands. '
            'This is an advanced feature that also requires specific configuration of ticketing and printing settings.'
@@ -783,7 +778,7 @@ class Item(LoggedModel):
    media_type = models.CharField(
        max_length=100,
        null=True, blank=True,
-        choices=[(None, _("Don't use reusable media, use regular one-off tickets"))] + [(k, v) for k, v in MEDIA_TYPES.items()],
+        choices=[(None, _("Don't use re-usable media, use regular one-off tickets"))] + [(k, v) for k, v in MEDIA_TYPES.items()],
        verbose_name=_('Reusable media type'),
        help_text=_(
            'Select the type of physical medium that should be used for this product. Note that not all media types '
@@ -885,6 +880,26 @@ class Item(LoggedModel):
            return False
        return True
    def unavailability_reason(self, now_dt: datetime=None, has_voucher=False, subevent=None) -> Optional[str]:
        now_dt = now_dt or time_machine_now()
        subevent_item = subevent and subevent.item_overrides.get(self.pk)
        if not self.active:
            return 'active'
        elif self.available_from and self.available_from > now_dt:
            return 'available_from'
        elif self.available_until and self.available_until < now_dt:
            return 'available_until'
        elif (self.require_voucher or self.hide_without_voucher) and not has_voucher:
            return 'require_voucher'
        elif subevent_item and subevent_item.available_from and subevent_item.available_from > now_dt:
            return 'available_from'
        elif subevent_item and subevent_item.available_until and subevent_item.available_until < now_dt:
            return 'available_until'
        elif self.hidden_if_item_available and self._dependency_available:
            return 'hidden_if_item_available'
        else:
            return None
    def _get_quotas(self, ignored_quotas=None, subevent=None):
        check_quotas = set(getattr(
            self, '_subevent_quotas',  # Utilize cache in product list
@@ -980,11 +995,6 @@ class Item(LoggedModel):
                raise ValidationError(_('The selected media type does not support usage for tickets currently.'))
            if not mt.supports_giftcard and issue_giftcard:
                raise ValidationError(_('The selected media type does not support usage for gift cards currently.'))
            if media_policy in (Item.MEDIA_POLICY_NEW, Item.MEDIA_POLICY_APPEND_OR_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW):
                if not mt.medium_created_by_server and not mt.medium_created_from_unknown_supported:
                    raise ValidationError(_('The selected media type requires all media to be registered in the system '
                                            'prior to their usage. Therefore, the selected media policy does not make '
                                            'sense for this media type.'))
            if issue_giftcard:
                raise ValidationError(_('You currently cannot create gift cards with a reusable media policy. Instead, '
                                        'gift cards for some reusable media types can be created or re-charged directly '
@@ -1393,6 +1403,22 @@ class ItemVariation(models.Model):
            return False
        return True
    def unavailability_reason(self, now_dt: datetime=None, has_voucher=False, subevent=None) -> Optional[str]:
        now_dt = now_dt or time_machine_now()
        subevent_var = subevent and subevent.var_overrides.get(self.pk)
        if not self.active:
            return 'active'
        elif self.available_from and self.available_from > now_dt:
            return 'available_from'
        elif self.available_until and self.available_until < now_dt:
            return 'available_until'
        elif subevent_var and subevent_var.available_from and subevent_var.available_from > now_dt:
            return 'available_from'
        elif subevent_var and subevent_var.available_until and subevent_var.available_until < now_dt:
            return 'available_until'
        else:
            return None
    @property
    def meta_data(self):
        data = self.item.meta_data
@@ -2194,7 +2220,7 @@ class Quota(LoggedModel):
 class ItemMetaProperty(LoggedModel):
    """
    An event can have ItemMetaProperty objects attached to define meta information fields
-    for its items. This information can be reused for example in ticket layouts.
+    for its items. This information can be re-used for example in ticket layouts.
    :param event: The event this property is defined for.
    :type event: Event
@@ -72,16 +72,6 @@ class ReusableMedium(LoggedModel):
        max_length=200,
        verbose_name=pgettext_lazy('reusable_medium', 'Identifier'),
    )
    claim_token = models.CharField(
        max_length=200,
        verbose_name=pgettext_lazy('reusable_medium', 'Claim token'),
        null=True, blank=True
    )
    label = models.CharField(
        max_length=200,
        verbose_name=pgettext_lazy('reusable_medium', 'Label'),
        null=True, blank=True
    )
    active = models.BooleanField(
        verbose_name=_('Active'),
@@ -99,14 +89,12 @@ class ReusableMedium(LoggedModel):
        on_delete=models.SET_NULL,
        verbose_name=_('Customer account'),
    )
-    linked_orderpositions = models.ManyToManyField(
+    linked_orderposition = models.ForeignKey(
        OrderPosition,
        null=True, blank=True,
        related_name='linked_media',
-        verbose_name=_('Linked tickets'),
+        on_delete=models.SET_NULL,
-        help_text=_(
+        verbose_name=_('Linked ticket'),
            'If you link to more than one ticket, make sure there is no overlap in validity. '
            'If multiple tickets are valid at once, this will lead to failed check-ins.'
        )
    )
    linked_giftcard = models.ForeignKey(
        GiftCard,
@@ -129,10 +117,7 @@ class ReusableMedium(LoggedModel):
    @property
    def is_expired(self):
-        return self.expires and self.expires < now()
+        return self.expires and self.expires > now()
    def touch(self):
        self.save(update_fields=['updated'])
    class Meta:
        unique_together = (("identifier", "type", "organizer"),)
@@ -87,7 +87,6 @@ from pretix.base.timemachine import time_machine_now
 from ...helpers import OF_SELF
 from ...helpers.countries import CachedCountries, FastCountryField
 from ...helpers.models import NormalizedDecimalField
 from ...helpers.names import build_name
 from ...testutils.middleware import debugflags_var
 from ._transactions import (
@@ -225,6 +224,8 @@ class Order(LockModel, LoggedModel):
        "Organizer",
        related_name="orders",
        on_delete=models.CASCADE,
        null=True,
        blank=True,
    )
    event = models.ForeignKey(
        Event,
@@ -328,7 +329,7 @@ class Order(LockModel, LoggedModel):
        default="line",
    )
-    objects = ScopedManager(OrderQuerySet.as_manager().__class__, organizer='organizer')
+    objects = ScopedManager(OrderQuerySet.as_manager().__class__, organizer='event__organizer')
    class Meta:
        verbose_name = _("Order")
@@ -353,60 +354,38 @@ class Order(LockModel, LoggedModel):
    def _transaction_key_reset(self):
        self.__initial_status_paid_or_pending = self.status in (Order.STATUS_PENDING, Order.STATUS_PAID) and not self.require_approval
    @classmethod
    def gracefully_delete_bulk(cls, event, orders, user=None, auth=None):
        # Expects to be called in a transaction
        from . import (
            GiftCard, GiftCardTransaction, LogEntry, Membership, Voucher,
        )
        if not transaction.get_connection().in_atomic_block:
            raise Exception('gracefully_delete_bulk should only be called in atomic transaction!')
        logs_create = []
        for o in orders:
            if not o.testmode:
                raise TypeError("Only test mode orders can be deleted.")
            order_gracefully_delete.send(event, order=o)
            logs_create.append(o.log_action(
                'pretix.event.order.deleted', user=user, auth=auth,
                data={
                    'code': o.code,
                },
                save=False,
            ))
        LogEntry.bulk_create_and_postprocess(logs_create)
        voucher_ids = OrderPosition.objects.filter(
            order__in=orders,
            voucher__isnull=False
        ).exclude(order__status=Order.STATUS_CANCELED).values_list("voucher_id", flat=True)
        voucher_usages = Counter(voucher_ids)
        for v_id, usage_count in voucher_usages.items():
            Voucher.objects.filter(pk=v_id).update(redeemed=Greatest(0, F('redeemed') - usage_count))
        GiftCardTransaction.objects.filter(payment__order__in=orders).update(payment=None)
        GiftCardTransaction.objects.filter(refund__order__in=orders).update(refund=None)
        GiftCardTransaction.objects.filter(order__in=orders).update(order=None)
        GiftCard.objects.filter(issued_in__order__in=orders).update(issued_in=None)
        Membership.objects.filter(granted_in__order__in=orders, testmode=True).update(granted_in=None)
        OrderPosition.all.filter(order__in=orders, addon_to__isnull=False).delete()
        OrderPosition.all.filter(order__in=orders).delete()
        OrderFee.all.filter(order__in=orders).delete()
        Transaction.objects.filter(order__in=orders).delete()
        OrderRefund.objects.filter(order__in=orders).delete()
        OrderPayment.objects.filter(order__in=orders).delete()
        if isinstance(orders, models.QuerySet):
            orders.delete()
        else:
            Order.objects.filter(pk__in=[o.pk for o in orders]).delete()
        event.cache.delete('complain_testmode_orders')
    def gracefully_delete(self, user=None, auth=None):
        from . import GiftCard, GiftCardTransaction, Membership, Voucher
        if not self.testmode:
            raise TypeError("Only test mode orders can be deleted.")
        self.log_action(
            'pretix.event.order.deleted', user=user, auth=auth,
            data={
                'code': self.code,
            }
        )
-        Order.gracefully_delete_bulk(self.event, Order.objects.filter(pk=self.pk), user, auth)
+        order_gracefully_delete.send(self.event, order=self)
        if self.status != Order.STATUS_CANCELED:
            for position in self.positions.all():
                if position.voucher:
                    Voucher.objects.filter(pk=position.voucher.pk).update(redeemed=Greatest(0, F('redeemed') - 1))
        GiftCardTransaction.objects.filter(payment__in=self.payments.all()).update(payment=None)
        GiftCardTransaction.objects.filter(refund__in=self.refunds.all()).update(refund=None)
        GiftCardTransaction.objects.filter(order=self).update(order=None)
        GiftCard.objects.filter(issued_in__in=self.positions.all()).update(issued_in=None)
        Membership.objects.filter(granted_in__order=self, testmode=True).update(granted_in=None)
        OrderPosition.all.filter(order=self, addon_to__isnull=False).delete()
        OrderPosition.all.filter(order=self).delete()
        OrderFee.all.filter(order=self).delete()
        Transaction.objects.filter(order=self).delete()
        self.refunds.all().delete()
        self.payments.all().delete()
        self.event.cache.delete('complain_testmode_orders')
        self.delete()
    def email_confirm_secret(self):
        return self.tagged_secret("email_confirm", 9)
@@ -508,20 +487,20 @@ class Order(LockModel, LoggedModel):
    @classmethod
    def annotate_overpayments(cls, qs, results=True, refunds=True, sums=False):
-        payment_sum = OrderPayment.objects.with_scopes_disabled().filter(
+        payment_sum = OrderPayment.objects.filter(
            state__in=(OrderPayment.PAYMENT_STATE_CONFIRMED, OrderPayment.PAYMENT_STATE_REFUNDED),
            order=OuterRef('pk')
        ).order_by().values('order').annotate(s=Sum('amount')).values('s')
-        refund_sum = OrderRefund.objects.with_scopes_disabled().filter(
+        refund_sum = OrderRefund.objects.filter(
            state__in=(OrderRefund.REFUND_STATE_DONE, OrderRefund.REFUND_STATE_TRANSIT,
                       OrderRefund.REFUND_STATE_CREATED),
            order=OuterRef('pk')
        ).order_by().values('order').annotate(s=Sum('amount')).values('s')
-        external_refund = OrderRefund.objects.with_scopes_disabled().filter(
+        external_refund = OrderRefund.objects.filter(
            state=OrderRefund.REFUND_STATE_EXTERNAL,
            order=OuterRef('pk')
        )
-        pending_refund = OrderRefund.objects.with_scopes_disabled().filter(
+        pending_refund = OrderRefund.objects.filter(
            state__in=(OrderRefund.REFUND_STATE_CREATED, OrderRefund.REFUND_STATE_TRANSIT),
            order=OuterRef('pk')
        )
@@ -1696,7 +1675,7 @@ class AbstractPosition(RoundingCorrectionMixin, models.Model):
            self.company,
            self.street,
            (self.zipcode or '') + ' ' + (self.city or '') + ' ' + (self.state_for_address or ''),
-            self.country.name if self.country else ''
+            self.country.name
        ]
        lines = [r.strip() for r in lines if r]
        return '\n'.join(lines).strip()
@@ -2072,17 +2051,6 @@ class OrderPayment(models.Model):
        """
        return '{}-P-{}'.format(self.order.code, self.local_id)
    @property
    def global_id(self):
        """
        The global ID of this payment, constructed by the organizer slug, event slug, and the full id.
        """
        return "{organizer}-{event}-{full_id}".format(
            organizer=self.order.organizer.slug.upper(),
            event=self.order.event.slug.upper(),
            full_id=self.full_id,
        )
    def save(self, *args, **kwargs):
        if not self.local_id:
            self.local_id = (self.order.payments.aggregate(m=Max('local_id'))['m'] or 0) + 1
@@ -2283,17 +2251,6 @@ class OrderRefund(models.Model):
        """
        return '{}-R-{}'.format(self.order.code, self.local_id)
    @property
    def global_id(self):
        """
        The global ID of this refund, constructed by the organizer slug, event slug, and the full id.
        """
        return "{organizer}-{event}-{full_id}".format(
            organizer=self.order.organizer.slug.upper(),
            event=self.order.event.slug.upper(),
            full_id=self.full_id,
        )
    def save(self, *args, **kwargs):
        if not self.local_id:
            self.local_id = (self.order.refunds.aggregate(m=Max('local_id'))['m'] or 0) + 1
@@ -2308,12 +2265,9 @@ class OrderRefund(models.Model):
        super().save(*args, **kwargs)
-def ActivePositionManager(**scope):
+class ActivePositionManager(ScopedManager(organizer='order__event__organizer').__class__):
-    class InnerClass(ScopedManager(**scope).__class__):
+    def get_queryset(self):
-        def get_queryset(self):
+        return super().get_queryset().filter(canceled=False)
            return super().get_queryset().filter(canceled=False)
    return InnerClass()
 class OrderFee(RoundingCorrectionMixin, models.Model):
@@ -2380,8 +2334,8 @@ class OrderFee(RoundingCorrectionMixin, models.Model):
    )
    description = models.CharField(max_length=190, blank=True)
    internal_type = models.CharField(max_length=255, blank=True)
-    tax_rate = NormalizedDecimalField(
+    tax_rate = models.DecimalField(
-        max_digits=7, decimal_places=4,
+        max_digits=7, decimal_places=2,
        verbose_name=_('Tax rate')
    )
    tax_rule = models.ForeignKey(
@@ -2403,7 +2357,7 @@ class OrderFee(RoundingCorrectionMixin, models.Model):
    canceled = models.BooleanField(default=False)
    all = ScopedManager(organizer='order__event__organizer')
-    objects = ActivePositionManager(organizer='order__event__organizer')
+    objects = ActivePositionManager()
    @property
    def net_value(self):
@@ -2565,6 +2519,8 @@ class OrderPosition(AbstractPosition):
        "Organizer",
        related_name="order_positions",
        on_delete=models.CASCADE,
        null=True,
        blank=True,
    )
    order = models.ForeignKey(
        Order,
@@ -2577,8 +2533,8 @@ class OrderPosition(AbstractPosition):
        max_digits=13, decimal_places=2, null=True, blank=True,
    )
-    tax_rate = NormalizedDecimalField(
+    tax_rate = models.DecimalField(
-        max_digits=7, decimal_places=4,
+        max_digits=7, decimal_places=2,
        verbose_name=_('Tax rate')
    )
    tax_rule = models.ForeignKey(
@@ -2621,8 +2577,8 @@ class OrderPosition(AbstractPosition):
        blank=True,
    )
-    all = ScopedManager(organizer='organizer')
+    all = ScopedManager(organizer='order__event__organizer')
-    objects = ActivePositionManager(organizer='organizer')
+    objects = ActivePositionManager()
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
@@ -3096,8 +3052,8 @@ class Transaction(models.Model):
    price_includes_rounding_correction = models.DecimalField(
        max_digits=13, decimal_places=2, default=Decimal("0.00")
    )
-    tax_rate = NormalizedDecimalField(
+    tax_rate = models.DecimalField(
-        max_digits=7, decimal_places=4,
+        max_digits=7, decimal_places=2,
        verbose_name=_('Tax rate')
    )
    tax_rule = models.ForeignKey(
@@ -3212,8 +3168,8 @@ class CartPosition(AbstractPosition):
        verbose_name=_("Limit for extending expiration date"),
        null=True
    )
-    tax_rate = NormalizedDecimalField(
+    tax_rate = models.DecimalField(
-        max_digits=7, decimal_places=4, default=Decimal('0'),
+        max_digits=7, decimal_places=2, default=Decimal('0.00'),
        verbose_name=_('Tax rate')
    )
    tax_code = models.CharField(
@@ -3460,7 +3416,7 @@ class InvoiceAddress(models.Model):
            self.name,
            self.street,
            (self.zipcode or '') + ' ' + (self.city or '') + ' ' + (self.state_for_address or ''),
-            self.country.name if self.country else '',
+            self.country.name,
            self.vat_id,
            self.custom_field,
            self.internal_reference,
@@ -35,7 +35,6 @@ import operator
 import string
 from datetime import date, datetime, time
 from functools import reduce
 from typing import TYPE_CHECKING
 import pytz_deprecation_shim
 from django.conf import settings
@@ -62,9 +61,6 @@ from ...helpers.permission_migration import (
 from ..settings import settings_hierarkey
 from .auth import User
 if TYPE_CHECKING:
    from hierarkey.proxy import HierarkeyProxy
@settings_hierarkey.add(cache_namespace='organizer')
 class Organizer(LoggedModel):
@@ -82,9 +78,6 @@ class Organizer(LoggedModel):
    """
    settings_namespace = 'organizer'
    if TYPE_CHECKING:
        settings: HierarkeyProxy
    name = models.CharField(max_length=200,
                            verbose_name=_("Name"))
    slug = models.CharField(
@@ -118,10 +118,7 @@ class SeatingPlan(LoggedModel):
        for zi, z in enumerate(self.layout_data['zones']):
            zpos = (z['position']['x'], z['position']['y'])
            for ri, r in enumerate(z['rows']):
-                rpos = (
+                rpos = (zpos[0] + r['position']['x'], zpos[1] + r['position']['y'])
                    zpos[0] + r.get('position', {}).get('x', 0),
                    zpos[1] + r.get('position', {}).get('y', 0),
                )
                row_label = None
                if r.get('row_label'):
                    row_label = r['row_label'].replace("%s", r.get('row_number', str(ri)))
@@ -150,8 +147,8 @@ class SeatingPlan(LoggedModel):
                        zone=z['name'],
                        category=s['category'],
                        sorting_rank=rank,
-                        x=rpos[0] + s.get('position', {}).get('x', 0),
+                        x=rpos[0] + s['position']['x'],
-                        y=rpos[1] + s.get('position', {}).get('y', 0),
+                        y=rpos[1] + s['position']['y'],
                    )
@@ -40,7 +40,6 @@ from pretix.base.decimal import round_decimal
 from pretix.base.models.base import LoggedModel
 from pretix.base.templatetags.money import money_filter
 from pretix.helpers.countries import FastCountryField
 from pretix.helpers.models import NormalizedDecimalField
 class TaxedPrice:
@@ -336,9 +335,9 @@ class TaxRule(LoggedModel):
        max_length=190,
        choices=TAX_CODE_LISTS,
    )
-    rate = NormalizedDecimalField(
+    rate = models.DecimalField(
-        max_digits=7,
+        max_digits=10,
-        decimal_places=4,
+        decimal_places=2,
        validators=[
            MaxValueValidator(
                limit_value=Decimal("100.00"),
@@ -32,10 +32,8 @@
 # Unless required by applicable law or agreed to in writing, software distributed under the Apache License 2.0 is
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
-import datetime
+
 from dataclasses import dataclass
 from decimal import ROUND_HALF_UP, Decimal
 from typing import Union
 from django.conf import settings
 from django.core.exceptions import ValidationError
@@ -423,33 +421,27 @@ class Voucher(LoggedModel):
        return False
    @staticmethod
-    def get_affected_quotas(quota, item, variation, subevent):
+    def clean_quota_get_ignored(old_instance):
-        if quota:
+        quotas = set()
-            return {quota}
+        was_valid = old_instance and (
-        elif item and variation:
+            old_instance.valid_until is None or old_instance.valid_until >= now()
-            return set(variation.quotas.filter(subevent=subevent))
+        )
-        elif item and not item.has_variations:
+        if old_instance and old_instance.block_quota and was_valid:
-            return set(item.quotas.filter(subevent=subevent))
+            if old_instance.quota:
-        elif item and item.has_variations:
+                quotas.add(old_instance.quota)
-            return set(
+            elif old_instance.variation:
-                Quota.objects.filter(
+                quotas |= set(old_instance.variation.quotas.filter(subevent=old_instance.subevent))
-                    pk__in=Quota.variations.through.objects.filter(
+            elif old_instance.item:
-                        itemvariation__item=item,
+                if old_instance.item.has_variations:
-                        quota__subevent=subevent,
+                    quotas |= set(
-                    ).values('quota_id')
+                        Quota.objects.filter(pk__in=Quota.variations.through.objects.filter(
-                )
+                            itemvariation__item=old_instance.item,
-            )
+                            quota__subevent=old_instance.subevent,
-        else:
+                        ).values('quota_id'))
-            return set()
+                    )
-
+                else:
-    @staticmethod
+                    quotas |= set(old_instance.item.quotas.filter(subevent=old_instance.subevent))
-    def clean_quota_get_ignored(voucher_data: Union["VoucherBulkData", "Voucher"]):
+        return quotas
        if voucher_data:
            valid = voucher_data.valid_until is None or voucher_data.valid_until >= now()
            if valid and voucher_data.block_quota and voucher_data.max_usages > voucher_data.redeemed:
                return Voucher.get_affected_quotas(voucher_data.quota, voucher_data.item, voucher_data.variation, voucher_data.subevent)
        return set()
    @staticmethod
    def clean_quota_check(data, cnt, old_instance, event, quota, item, variation):
@@ -461,8 +453,22 @@ class Voucher(LoggedModel):
        if event.has_subevents and data.get('block_quota') and not data.get('subevent'):
            raise ValidationError(_('If you want this voucher to block quota, you need to select a specific date.'))
-        new_quotas = Voucher.get_affected_quotas(quota, item, variation, data.get('subevent'))
+        if quota:
-        if not new_quotas:
+            new_quotas = {quota}
        elif item and variation:
            new_quotas = set(variation.quotas.filter(subevent=data.get('subevent')))
        elif item and not item.has_variations:
            new_quotas = set(item.quotas.filter(subevent=data.get('subevent')))
        elif item and item.has_variations:
            new_quotas = set(
                Quota.objects.filter(
                    pk__in=Quota.variations.through.objects.filter(
                        itemvariation__item=item,
                        quota__subevent=data.get('subevent'),
                    ).values('quota_id')
                )
            )
        else:
            raise ValidationError(_('You need to select a specific product or quota if this voucher should reserve '
                                    'tickets.'))
@@ -638,16 +644,3 @@ class Voucher(LoggedModel):
            ]
        ).aggregate(s=Sum('voucher_budget_use'))['s'] or Decimal('0.00')
        return ops
@dataclass
 class VoucherBulkData:
    item: object
    variation: object
    quota: object
    block_quota: bool
    valid_until: datetime.datetime
    subevent: object
    redeemed: int
    max_usages: int
    allow_ignore_quota: bool
@@ -43,7 +43,7 @@ from django.utils.translation import gettext_lazy as _, pgettext_lazy
 from pretix.base.models import Event, LogEntry
 from pretix.base.signals import register_notification_types
 from pretix.base.templatetags.money import money_filter
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri
 logger = logging.getLogger(__name__)
 _ALL_TYPES = None
@@ -170,7 +170,7 @@ class ParametrizedOrderNotificationType(NotificationType):
    def build_notification(self, logentry: LogEntry):
        order = logentry.content_object
-        order_url = mainreverse_absolute(
+        order_url = build_absolute_uri(
            'control:event.order',
            kwargs={
                'organizer': logentry.event.organizer.slug,
@@ -71,7 +71,7 @@ from pretix.helpers import OF_SELF
 from pretix.helpers.countries import CachedCountries
 from pretix.helpers.format import format_map
 from pretix.helpers.money import DecimalTextInput
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 from pretix.presale.views import get_cart
 from pretix.presale.views.cart import cart_session, get_or_create_cart_id
@@ -379,7 +379,7 @@ class BasePaymentProvider:
        if not self.settings.get('_hidden_seed'):
            self.settings.set('_hidden_seed', get_random_string(64))
-        hidden_url = eventreverse_absolute(self.event, 'presale:event.payment.unlock', kwargs={
+        hidden_url = build_absolute_uri(self.event, 'presale:event.payment.unlock', kwargs={
            'hash': hashlib.sha256((self.settings._hidden_seed + self.event.slug).encode()).hexdigest(),
        })
@@ -834,7 +834,7 @@ class BasePaymentProvider:
        """
        raise NotImplementedError()  # NOQA
-    def execute_payment(self, request: HttpRequest, payment: OrderPayment) -> str | None:
+    def execute_payment(self, request: HttpRequest, payment: OrderPayment) -> str:
        """
        After the user has confirmed their purchase, this method will be called to complete
        the payment process. This is the place to actually move the money if applicable.
@@ -936,7 +936,7 @@ class BasePaymentProvider:
        """
        Will be called if the *event administrator* views the details of a payment.
-        It should return a SafeString containing HTML code, with information regarding the current payment
+        It should return HTML code containing information regarding the current payment
        status and, if applicable, next steps.
        The default implementation returns an empty string.
@@ -961,7 +961,7 @@ class BasePaymentProvider:
        """
        Will be called if the *event administrator* views the details of a refund.
-        It should return a SafeString containing HTML code, with information regarding the current refund
+        It should return HTML code containing information regarding the current refund
        status and, if applicable, next steps.
        The default implementation returns an empty string.
@@ -1706,58 +1706,6 @@ class GiftCardPayment(BasePaymentProvider):
        )
 class BaseHistoricalPaymentProvider(BasePaymentProvider):
    """
    Base class for payment providers that no longer exist but can't be deleted to make sure historical
    payments are shown correctly.
    Subclasses are recommended to only implement:
        - identifier
        - verbose_name
        - public_name
    - payment_control_render
    - payment_control_render_short
    - refund_control_render
    - refund_control_render_short
    - render_invoice_text
    - render_invoice_stamp
    - api_payment_details
    - api_refund_details
    - shred_payment_info
    - matching_id
    - refund_matching_id
    """
    @property
    def is_enabled(self) -> bool:
        return False
    @property
    def settings_form_fields(self) -> dict:
        return {}
    def is_allowed(self, request: HttpRequest, total: Decimal=None) -> bool:
        return False
    def payment_is_valid_session(self, request: HttpRequest, payment: OrderPayment):
        return False
    def order_change_allowed(self, order: Order, request: HttpRequest=None) -> bool:
        return False
    def payment_refund_supported(self, payment: OrderPayment) -> bool:
        return False
    def payment_partial_refund_supported(self, payment: OrderPayment) -> bool:
        return False
    def execute_payment(self, request: HttpRequest, payment: OrderPayment):
        raise PaymentException(_("This payment provider exists for historical purposes only and is no longer usable."))
    def execute_refund(self, refund: OrderRefund):
        raise PaymentException(_("This payment provider exists for historical purposes only and is no longer usable."))
@receiver(register_payment_providers, dispatch_uid="payment_free")
 def register_payment_provider(sender, **kwargs):
    return [FreeOrderProvider, BoxOfficeProvider, OffsettingProvider, ManualPayment, GiftCardPayment]
@@ -77,7 +77,6 @@ from reportlab.platypus import Paragraph
 from pretix.base.i18n import language
 from pretix.base.models import Checkin, Event, Order, OrderPosition, Question
 from pretix.base.services.placeholders import PlaceholderContext
 from pretix.base.settings import PERSON_NAME_SCHEMES
 from pretix.base.signals import layout_image_variables, layout_text_variables
 from pretix.base.templatetags.money import money_filter
@@ -373,11 +372,6 @@ DEFAULT_VARIABLES = OrderedDict((
        "editor_sample": _("Atlantis"),
        "evaluate": lambda op, order, ev: str(getattr(order.invoice_address.country, 'name', '')) if getattr(order, 'invoice_address', None) else ''
    }),
    ("invoice_custom_field", {
        "label": _("Invoice custom recipient field"),
        "editor_sample": _("Custom recipient field"),
        "evaluate": lambda op, order, ev: order.invoice_address.custom_field if getattr(order, 'invoice_address', None) else ''
    }),
    ("addons", {
        "label": _("List of Add-Ons"),
        "editor_sample": _("Add-on 1\n2x Add-on 2"),
@@ -402,7 +396,11 @@ DEFAULT_VARIABLES = OrderedDict((
        "editor_sample": _("Event organizer info text"),
        "evaluate": lambda op, order, ev: str(order.event.settings.organizer_info_text)
    }),
-    ("event_info_text", {}),  # Placeholder to "reserve" position, defined later in `get_variables`
+    ("event_info_text", {
        "label": _("Event info text"),
        "editor_sample": _("Event info text"),
        "evaluate": lambda op, order, ev: str(order.event.settings.event_info_text)
    }),
    ("now_date", {
        "label": _("Printing date"),
        "editor_sample": _("2017-05-31"),
@@ -667,14 +665,6 @@ def get_images(event):
 def get_variables(event):
    v = copy.copy(DEFAULT_VARIABLES)
    templating_context = PlaceholderContext(event=event)
    v['event_info_text'] = {
        "label": _("Event info text"),
        "editor_sample": _("Event info text"),
        "evaluate": lambda op, order, ev:
            templating_context.format(str(order.event.settings.event_info_text))
    }
    scheme = PERSON_NAME_SCHEMES[event.settings.name_scheme]
    concatenation_for_salutation = scheme.get("concatenation_for_salutation", scheme["concatenation"])
@@ -1072,7 +1062,7 @@ class Renderer:
        except:
            logger.exception('Reshaping/Bidi fixes failed on string {}'.format(repr(text)))
-        p = Paragraph(text, style=style)  # not using AutoEscapeParagraph is safe as we escape above
+        p = Paragraph(text, style=style)
        return p, ad, lineheight
    def _draw_textcontainer(self, canvas: Canvas, op: OrderPosition, order: Order, o: dict):
@@ -245,9 +245,6 @@ def recv_classic(sender, **kwargs):
 def assign_ticket_secret(event, position, force_invalidate_if_revokation_list_used=False, force_invalidate=False, save=True):
    if position.pk and position.issued_gift_cards.exists():
        return
    gen = event.ticket_secret_generator
    if gen.use_revocation_list and force_invalidate_if_revokation_list_used:
        force_invalidate = True
@@ -22,7 +22,6 @@
 import logging
 from decimal import Decimal
 from django.conf import settings
 from django.db import transaction
 from django.db.models import Count, Exists, IntegerField, OuterRef, Q, Subquery
 from django.utils.crypto import get_random_string
@@ -378,13 +377,12 @@ def cancel_event(self, event: Event, subevent: int, auto_refund: bool,
        confirmation_code = get_random_string(8, allowed_chars="01234567890")
        mail(
            user.email,
-            subject=gettext('Confirm event cancellation and bulk refund'),
+            subject=gettext('Bulk-refund confirmation'),
            template='pretixbase/email/cancel_confirm.txt',
            context={
                "event": str(event),
                "amount": money_filter(refund_total, event.currency),
                "confirmation_code": confirmation_code,
                "instance": settings.PRETIX_INSTANCE_NAME,
            },
            locale=user.locale,
        )
@@ -53,7 +53,6 @@ from django.utils.translation import (
 )
 from django_scopes import scopes_disabled
 from pretix.base.decimal import round_decimal
 from pretix.base.i18n import language
 from pretix.base.media import MEDIA_TYPES
 from pretix.base.models import (
@@ -288,11 +287,11 @@ def _check_position_constraints(
        raise CartPositionError(error_messages['unavailable'])
    # Invalid media policy for online sale
-    if item.media_policy in (Item.MEDIA_POLICY_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW, Item.MEDIA_POLICY_APPEND_OR_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW):
+    if item.media_policy in (Item.MEDIA_POLICY_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW):
        mt = MEDIA_TYPES[item.media_type]
        if not mt.medium_created_by_server:
            raise CartPositionError(error_messages['media_usage_not_implemented'])
-    elif item.media_policy in (Item.MEDIA_POLICY_REUSE, Item.MEDIA_POLICY_APPEND):
+    elif item.media_policy == Item.MEDIA_POLICY_REUSE:
        raise CartPositionError(error_messages['media_usage_not_implemented'])
    # Item removed from sales channel
@@ -917,8 +916,6 @@ class CartManager:
                if custom_price > 99_999_999_999:
                    raise CartError(error_messages['price_too_high'])
                custom_price = round_decimal(custom_price, currency=self.event.currency)
            op = self.AddOperation(
                count=i['count'],
                item=item,
@@ -1041,8 +1038,6 @@ class CartManager:
                if custom_price > 99_999_999_999:
                    raise CartError(error_messages['price_too_high'])
                custom_price = round_decimal(custom_price, currency=self.event.currency)
            # Fix positions with wrong price (TODO: happens out-of-cartmanager-transaction and therefore a little hacky)
            for ca in current_addons[cp][a['item'], a['variation']]:
                if ca.listed_price != listed_price:
@@ -40,7 +40,7 @@ import dateutil
 import dateutil.parser
 from dateutil.tz import datetime_exists
 from django.core.files import File
-from django.db import IntegrityError
+from django.db import IntegrityError, transaction
 from django.db.models import (
    BooleanField, Case, Count, ExpressionWrapper, F, IntegerField, Max, Min,
    OuterRef, Q, Subquery, TextField, Value, When,
@@ -59,7 +59,6 @@ from pretix.base.models import (
 )
 from pretix.base.signals import checkin_created, periodic_task
 from pretix.helpers import OF_SELF
 from pretix.helpers.database import conditional_atomic
 from pretix.helpers.jsonlogic import Logic
 from pretix.helpers.jsonlogic_boolalg import convert_to_dnf
 from pretix.helpers.jsonlogic_query import (
@@ -868,15 +867,6 @@ class RequiredQuestionsError(Exception):
        super().__init__(msg)
 class RequiredMediaExchangeError(Exception):
    def __init__(self, msg, code, media_policy, media_type):
        self.msg = msg
        self.code = code
        self.media_policy = media_policy
        self.media_type = media_type
        super().__init__(msg)
 def _save_answers(op, answers, given_answers):
    def _create_answer(question, answer):
        try:
@@ -949,7 +939,7 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
                    ignore_unpaid=False, nonce=None, datetime=None, questions_supported=True,
                    user=None, auth=None, canceled_supported=False, type=Checkin.TYPE_ENTRY,
                    raw_barcode=None, raw_source_type=None, from_revoked_secret=False, simulate=False,
-                    gate=None, reusable_medium=None):
+                    gate=None):
    """
    Create a checkin for this particular order position and check-in list. Fails with CheckInError if the check in is
    not valid at this time.
@@ -965,7 +955,6 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
    :param datetime: The datetime of the checkin, defaults to now.
    :param simulate: If true, the check-in is not saved.
    :param gate: The gate the check-in was performed at.
    :param reusable_medium: The medium that is available for an exchange
    """
    # !!!!!!!!!
@@ -1044,10 +1033,10 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
        if not simulate:
            _save_answers(op, answers, given_answers)
-    with conditional_atomic(not simulate):
+    with transaction.atomic():
        # Lock order positions, if it is an entry. We don't need it for exits, as a race condition wouldn't be problematic
-        opqs = OrderPosition.all.select_related("order", "item")
+        opqs = OrderPosition.all
-        if type != Checkin.TYPE_EXIT and not simulate:
+        if type != Checkin.TYPE_EXIT:
            opqs = opqs.select_for_update(of=OF_SELF)
        op = opqs.get(pk=op.pk)
@@ -1112,24 +1101,6 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
                require_answers
            )
        required_media_policy = op.item.media_policy
        required_media_type = op.item.media_type
        require_a_medium = required_media_policy and required_media_type
        linked_media = op.linked_media
        if require_a_medium and not reusable_medium and not force:
            if not linked_media.exists():
                raise RequiredMediaExchangeError(
                    _('Ticket needs to be exchanged to a suitable medium.'),
                    'exchange',
                    required_media_policy,
                    required_media_type
                )
            elif op.organizer.settings.reusable_media_usage_enforced:
                raise CheckInError(
                    _('This ticket has already been exchanged for a reusable medium that now needs to be used instead.'),
                    'already_exchanged',
                )
        device = None
        if isinstance(auth, Device):
            device = auth
@@ -29,7 +29,7 @@ from typing import List
 from django.utils.functional import cached_property
 from pretix.base.models import CartPosition, ItemCategory, SalesChannel
-from pretix.presale.productlist import prepare_item_list_for_shop
+from pretix.presale.views.event import get_grouped_items
 class DummyCategory:
@@ -162,7 +162,7 @@ class CrossSellingService:
        ]
    def _prepare_items(self, subevent, items_qs, discount_info):
-        items, _btn = prepare_item_list_for_shop(
+        items, _btn = get_grouped_items(
            self.event,
            subevent=subevent,
            voucher=None,
@@ -51,7 +51,7 @@ from pretix.base.signals import (
 )
 from pretix.celery_app import app
 from pretix.helpers import OF_SELF, repeatable_reads_transaction
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri
 logger = logging.getLogger(__name__)
@@ -340,13 +340,12 @@ def _run_scheduled_export(schedule, context: Union[Event, Organizer], exporter,
            if schedule.owner.is_active:
                mail(
                    email=schedule.owner.email,
-                    subject=gettext('Scheduled export failed'),
+                    subject=gettext('Export failed'),
                    template='pretixbase/email/export_failed.txt',
                    context={
                        'configuration_url': config_url,
                        'reason': msg,
                        'soft': soft,
                        'instance': settings.PRETIX_INSTANCE_NAME,
                    },
                    event=context if isinstance(context, Event) else None,
                    organizer=context.organizer if isinstance(context, Event) else context,
@@ -456,7 +455,7 @@ def scheduled_organizer_export(self, organizer: Organizer, schedule: int) -> Non
        schedule,
        organizer,
        exporter,
-        mainreverse_absolute(
+        build_absolute_uri(
            'control:organizer.export',
            kwargs={
                'organizer': organizer.slug,
@@ -482,7 +481,7 @@ def scheduled_event_export(self, event: Event, schedule: int) -> None:
        schedule,
        event,
        exporter,
-        mainreverse_absolute(
+        build_absolute_uri(
            'control:event.orders.export',
            kwargs={
                'event': event.slug,
@@ -85,7 +85,7 @@ from pretix.helpers.format import (
    FormattedString, PlainHtmlAlternativeString, SafeFormatter, format_map,
 )
 from pretix.helpers.hierarkey import clean_filename
-from pretix.multidomain.urlreverse import eventreverse_absolute
+from pretix.multidomain.urlreverse import build_absolute_uri
 from pretix.presale.ical import get_private_icals
 logger = logging.getLogger('pretix.base.mail')
@@ -997,7 +997,7 @@ def _wrap_plain_body(content_plain, signature, event, order, position, no_order_
        body_plain += _(
            "You can view your order details at the following URL:\n{orderurl}."
        ).replace("\n", "\r\n").format(
-            orderurl=eventreverse_absolute(
+            orderurl=build_absolute_uri(
                order.event, 'presale:event.order.position', kwargs={
                    'order': order.code,
                    'secret': position.web_secret,
@@ -1013,7 +1013,7 @@ def _wrap_plain_body(content_plain, signature, event, order, position, no_order_
        body_plain += _(
            "You can view your order details at the following URL:\n{orderurl}."
        ).replace("\n", "\r\n").format(
-            event=event.name, orderurl=eventreverse_absolute(
+            event=event.name, orderurl=build_absolute_uri(
                order.event, 'presale:event.order.open', kwargs={
                    'order': order.code,
                    'secret': order.secret,
@@ -23,13 +23,10 @@ import secrets
 from django.db import IntegrityError
 from django.db.models import Q
 from django.utils.translation import gettext as _
 from django_scopes import scopes_disabled
-from pretix.base.media import MEDIA_TYPES
+from pretix.base.models import GiftCardAcceptance
-from pretix.base.models import Checkin, GiftCardAcceptance, Item
+from pretix.base.models.media import MediumKeySet
 from pretix.base.models.media import MediumKeySet, ReusableMedium
 from pretix.base.services.checkin import CheckInError
 def create_nfc_mf0aes_keyset(organizer):
@@ -73,174 +70,3 @@ def get_keysets_for_organizer(organizer):
        if new_set:
            sets.append(new_set)
    return sets
 def perform_media_exchange(organizer, media_type, identifier, link_orderposition, user, auth):
    """
    Create or retrieve a medium, then link the order position to it. Expected to be called in a transaction.
    :param organizer: Organizer to operate in
    :param media_type: Type of medium to operate with
    :param identifier: Identifier of the medium
    :param link_orderposition: Position to link to the medium
    :return: ReusableMedium
    """
    medium = None
    media_policy = link_orderposition.item.media_policy
    if media_type not in MEDIA_TYPES:  # should be caught by serializer already
        raise CheckInError(
            _('Invalid medium type.'),
            Checkin.REASON_ERROR,
            reason=_('Invalid medium type.'),
        )
    if not MEDIA_TYPES[media_type].is_active(organizer):
        raise CheckInError(
            _('Medium type is not enabled for organizer.'),
            Checkin.REASON_ERROR,
            reason=_('Medium type is not enabled for organizer.'),
        )
    if link_orderposition.item.media_type != media_type:
        raise CheckInError(
            _('Incorrect medium type for product.'),
            Checkin.REASON_PRODUCT,
            reason=_('Incorrect medium type for product.'),
        )
    if link_orderposition.linked_media.exists():
        raise CheckInError(
            _('Ticket is already exchanged for reusable medium.'),
            Checkin.REASON_ALREADY_EXCHANGED,
            reason=_('Ticket is already exchanged for reusable medium.'),
        )
    if media_policy in (Item.MEDIA_POLICY_APPEND, Item.MEDIA_POLICY_APPEND_OR_NEW, Item.MEDIA_POLICY_NEW):
        link_action = "append"
    else:
        link_action = "replace"
    if media_policy in (Item.MEDIA_POLICY_REUSE, Item.MEDIA_POLICY_APPEND):
        try:
            medium = ReusableMedium.objects.get(
                type=media_type,
                identifier=identifier,
                organizer=organizer,
            )
        except ReusableMedium.DoesNotExist:
            raise CheckInError(
                _('Reusable medium not found.'),
                Checkin.REASON_MEDIUM_INVALID,
                reason=_('Reusable medium not found.'),
            )
        else:
            if medium.is_expired or not medium.active:
                raise CheckInError(
                    _('Reusable medium is inactive or expired.'),
                    Checkin.REASON_MEDIUM_INVALID,
                    reason=_('Reusable medium is inactive or expired.'),
                )
    elif media_policy in (Item.MEDIA_POLICY_REUSE_OR_NEW, Item.MEDIA_POLICY_APPEND_OR_NEW):
        try:
            medium = ReusableMedium.objects.get(
                type=media_type,
                identifier=identifier,
                organizer=organizer,
            )
        except ReusableMedium.DoesNotExist:
            if not MEDIA_TYPES[media_type].medium_created_from_unknown_supported:
                raise CheckInError(
                    _('Reusable medium not found and could not be created.'),
                    Checkin.REASON_MEDIUM_INVALID,
                )
            medium = MEDIA_TYPES[media_type].handle_unknown(organizer, identifier, user, auth, force_create=True)
            if not medium:
                raise CheckInError(
                    _('Reusable medium not found and could not be created.'),
                    Checkin.REASON_MEDIUM_INVALID,
                )
        if medium.is_expired or not medium.active:
            raise CheckInError(
                _('Reusable medium is inactive or expired.'),
                Checkin.REASON_MEDIUM_INVALID,
                reason=_('Reusable medium is inactive or expired.'),
            )
    elif media_policy == Item.MEDIA_POLICY_NEW:
        if not MEDIA_TYPES[media_type].medium_created_from_unknown_supported:
            raise CheckInError(
                _('Reusable medium not found and could not be created.'),
                Checkin.REASON_MEDIUM_INVALID,
            )
        try:
            medium = MEDIA_TYPES[media_type].handle_unknown(organizer, identifier, user, auth, force_create=True)
        except IntegrityError:
            raise CheckInError(
                _('Reusable medium already exists.'),
                Checkin.REASON_MEDIUM_EXISTS,
            )
        else:
            if not medium:
                raise CheckInError(
                    _('Reusable medium could not be created.'),
                    Checkin.REASON_MEDIUM_INVALID,
                )
    else:
        raise CheckInError(
            _('Product does not support medium exchange.'),
            Checkin.REASON_PRODUCT,
            reason=_('Product does not support medium exchange.'),
        )
    if link_action == 'append':
        medium.linked_orderpositions.add(link_orderposition)
        medium.log_action(
            'pretix.reusable_medium.linked_orderposition.added',
            user=user,
            auth=auth,
            data={
                'linked_orderposition': link_orderposition,
            }
        )
    elif link_action == 'replace':
        already_found = False
        for op_pk in medium.linked_orderpositions.values_list('pk', flat=True):
            if op_pk == link_orderposition.pk:
                already_found = True
                continue
            else:
                medium.log_action(
                    'pretix.reusable_medium.linked_orderposition.removed',
                    data={
                        'linked_orderposition': op_pk,
                    }
                )
        if not already_found:
            medium.linked_orderpositions.set([link_orderposition])
            medium.log_action(
                'pretix.reusable_medium.linked_orderposition.added',
                user=user,
                auth=auth,
                data={
                    'linked_orderposition': link_orderposition,
                }
            )
    link_orderposition.order.log_action(
        'pretix.reusable_medium.exchanged',
        data={
            'position': link_orderposition.pk,
            'positionid': link_orderposition.positionid,
            'medium': medium.pk,
            'medium_identifier': medium.identifier,
            'medium_type': medium.media_type.identifier,
        }
    )
    medium.touch()
    return medium
@@ -24,7 +24,6 @@ from typing import List, Optional
 from dateutil.relativedelta import relativedelta
 from django.core.exceptions import ValidationError
 from django.db import transaction
 from django.utils.formats import date_format
 from django.utils.translation import gettext_lazy as _
@@ -97,8 +96,6 @@ def validate_memberships_in_order(customer: Customer, positions: List[AbstractPo
    :param valid_from_not_chosen: Set to ``True`` to indicate that the customer is in an early step of the checkout flow
                                  where the valid_from date is not selected yet. In this case, the valid_from date is not checked.
    """
    if lock and not transaction.get_connection().in_atomic_block:
        raise Exception('validate_memberships_in_order(lock=True) should only be called in atomic transaction!')
    tz = event.timezone
    applicable_positions = [
        p for p in positions
@@ -26,9 +26,8 @@ from typing import List
 from django.conf import settings as django_settings
 from django.core.exceptions import ValidationError
 from django.db import transaction
 from django.db.utils import IntegrityError
 from django.utils.timezone import now
-from django.utils.translation import gettext as _, ngettext
+from django.utils.translation import gettext as _
 from pretix.base.i18n import language
 from pretix.base.modelimport import DataImportError, ImportColumn, parse_csv
@@ -261,7 +260,6 @@ def import_vouchers(event: Event, fileid: str, settings: dict, locale: str, user
        # Prepare model objects. Yes, this might consume lots of RAM, but allows us to make the actual SQL transaction
        # shorter. We'll see what works better in reality…
        vouchers = []
        codes = set()
        lock_seats = []
        for i, record in enumerate(data):
            try:
@@ -270,14 +268,6 @@ def import_vouchers(event: Event, fileid: str, settings: dict, locale: str, user
                if not record.get("code"):
                    raise ValidationError(_('A voucher cannot be created without a code.'))
                code = record.get("code")
                if code.upper() in codes:
                    raise ValidationError(
                        _('Voucher codes must be unique. Code "{code}" already exists in this import.').format(
                            code=code,
                        )
                    )
                codes.add(code.upper())
                Voucher.clean_item_properties(
                    record,
                    event,
@@ -296,22 +286,8 @@ def import_vouchers(event: Event, fileid: str, settings: dict, locale: str, user
                    lock_seats.append(voucher.seat)
            except (ValidationError, ImportError) as e:
                raise DataImportError(
-                    _('Invalid data in row {row}: {message}').format(row=i + 1, message=str(e))
+                    _('Invalid data in row {row}: {message}').format(row=i, message=str(e))
                )
        existing_codes = Voucher.objects.filter(
            event=event,
            code__in=codes,
        ).values_list("code", flat=True)
        if len(existing_codes):
            raise DataImportError(
                ngettext(
                    'Voucher codes must be unique. Import contains existing voucher code {code}.',
                    'Voucher codes must be unique. Import contains existing voucher codes {code}.',
                    len(existing_codes)
                ).format(
                    code=", ".join(existing_codes)
                )
            )
        with transaction.atomic():
            # We don't support quotas here, so we only need to lock if seats are in use
@@ -324,13 +300,7 @@ def import_vouchers(event: Event, fileid: str, settings: dict, locale: str, user
            save_logentries = []
            for v in vouchers:
-                try:
+                v.save()
                    v.save()
                except IntegrityError:
                    # should not happen as we check existing codes before, but we did not lock so we might have a race-condition
                    raise DataImportError(
                        _('Vouchers could not be imported, probably due to a voucher code already being in use.')
                    )
                save_logentries.append(v.log_action(
                    'pretix.voucher.added',
                    user=user,
@@ -37,7 +37,7 @@ from pretix.base.services.tasks import ProfiledTask, TransactionAwareTask
 from pretix.base.signals import notification
 from pretix.celery_app import app
 from pretix.helpers.celery import get_task_priority
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri
@app.task(base=TransactionAwareTask, acks_late=True, max_retries=9, default_retry_delay=900)
@@ -136,10 +136,10 @@ def send_notification_mail(notification: Notification, user: User):
        'site_url': settings.SITE_URL,
        'color': settings.PRETIX_PRIMARY_COLOR,
        'notification': notification,
-        'settings_url': mainreverse_absolute(
+        'settings_url': build_absolute_uri(
            'control:user.settings.notifications',
        ),
-        'disable_url': mainreverse_absolute(
+        'disable_url': build_absolute_uri(
            'control:user.settings.notifications.off',
            kwargs={
                'token': user.notifications_token,
@@ -110,7 +110,6 @@ from pretix.celery_app import app
 from pretix.helpers import OF_SELF
 from pretix.helpers.models import modelcopy
 from pretix.helpers.periodic import minimum_interval
 from pretix.presale.productlist import prepare_item_list_for_shop
 from pretix.testutils.middleware import debugflags_var
@@ -791,12 +790,6 @@ def _check_positions(event: Event, now_dt: datetime, time_machine_now_dt: dateti
                [op.seat for op in sorted_positions if op.seat],
                shared_lock_objects=[event]
            )
    elif any(cp.voucher and cp.voucher.budget for cp in sorted_positions):
        # Voucher budgets are not guaranteed by the cart manager
        lock_objects(
            [op.voucher for op in sorted_positions if op.voucher and op.voucher.budget],
            shared_lock_objects=[event]
        )
    q_avail = Counter()
    v_avail = Counter()
@@ -1606,7 +1599,6 @@ class OrderChangeManager:
        'seat_forbidden': gettext_lazy('The selected product does not allow to select a seat.'),
        'tax_rule_country_blocked': gettext_lazy('The selected country is blocked by your tax rule.'),
        'gift_card_change': gettext_lazy('You cannot change the price of a position that has been used to issue a gift card.'),
        'gift_card_secret': gettext_lazy('You cannot change the ticket secret of a position that has been used to issue a gift card.'),
        'max_items_per_product': ngettext_lazy(
            "You cannot select more than %(max)s item of the product %(product)s.",
            "You cannot select more than %(max)s items of the product %(product)s.",
@@ -1764,9 +1756,6 @@ class OrderChangeManager:
        self._operations.append(self.RegenerateSecretOperation(position))
    def change_ticket_secret(self, position: OrderPosition, new_secret: str):
        if position.issued_gift_cards.exists():
            raise OrderError(self.error_messages['gift_card_secret'])
        self._operations.append(self.ChangeSecretOperation(position, new_secret))
    def change_valid_from(self, position: OrderPosition, new_value: datetime):
@@ -1954,18 +1943,13 @@ class OrderChangeManager:
        :param addons: A list of dictionaries with the keys ``"addon_to"``, ``"item"``, ``"variation"`` (all ID values),
                       ``"count"``, and ``"price"``.
-        :param limit_main_positions: By default, the method works on all positions of the order. If you set this to a
+        :param limit_main_positions: By default, the method works on all methods of the order. If you set this to a
                                     queryset or a list of positions, all other positions and their add-ons will be kept
                                     untouched.
        """
        if self._operations:
            raise ValueError("Setting addons should be the first/only operation")
        def _allowed_on_order_sales_channel(item_or_var, order):
            return item_or_var.all_sales_channels or (
                order.sales_channel.identifier in (s.identifier for s in item_or_var.limit_sales_channels.all())
            )
        # Prepare containers for min/max check of products
        item_counts = Counter()
        for p in self.order.positions.all():
@@ -2059,11 +2043,13 @@ class OrderChangeManager:
            if not item.is_available() or (variation and not variation.is_available()):
                raise OrderError(error_messages['unavailable'])
-            if not _allowed_on_order_sales_channel(item, self.order):
+            if not item.all_sales_channels:
-                raise OrderError(error_messages['unavailable'])
+                if self.order.sales_channel.identifier not in (s.identifier for s in item.limit_sales_channels.all()):
                    raise OrderError(error_messages['unavailable'])
-            if variation and not _allowed_on_order_sales_channel(variation, self.order):
+            if variation and not variation.all_sales_channels:
-                raise OrderError(error_messages['unavailable'])
+                if self.order.sales_channel.identifier not in (s.identifier for s in variation.limit_sales_channels.all()):
                    raise OrderError(error_messages['unavailable'])
            if subevent and item.pk in subevent.item_overrides and not subevent.item_overrides[item.pk].is_available():
                raise OrderError(error_messages['not_for_sale'])
@@ -2111,36 +2097,6 @@ class OrderChangeManager:
                    )
                    item_counts[item] += 1
        def _addon_is_available(a):
            # If an item is no longer available due to time, it should usually also be no longer
            # user-removable, because e.g. the stock has already been ordered.
            # We always set voucher=None because that's what's done when generating the form in
            # OrderChangeMixin (vouchers for addons are not supported).
            # This also prevents accidental removal through the UI because a hidden product will no longer
            # be part of the input.
            if not _allowed_on_order_sales_channel(a.item, self.order) or (
                a.variation and not _allowed_on_order_sales_channel(a.variation, self.order)
            ):
                return False
            items, _ = prepare_item_list_for_shop(
                self.order.event,
                channel=self.order.sales_channel,
                subevent=a.subevent,
                voucher=None,
                base_qs=Item.objects.filter(pk=a.item.pk),
                allow_addons=True
            )
            if (not items) or items[0].current_unavailability_reason:
                return False
            if a.variation:
                variations = [var for var in items[0].available_variations if var.pk == a.variation.pk]
                if (not variations) or variations[0].current_unavailability_reason:
                    return False
            return True
        # Detect removed add-ons and create RemoveOperations
        for cp, al in list(current_addons.items()):
            for k, v in al.items():
@@ -2150,7 +2106,22 @@ class OrderChangeManager:
                    for a in current_addons[cp][k][:current_num - input_num]:
                        if a.canceled:
                            continue
-                        if not _addon_is_available(a):
+                        is_unavailable = (
                            # If an item is no longer available due to time, it should usually also be no longer
                            # user-removable, because e.g. the stock has already been ordered.
                            # We always pass has_voucher=True because if a product now requires a voucher, it usually does
                            # not mean it should be unremovable for others.
                            # This also prevents accidental removal through the UI because a hidden product will no longer
                            # be part of the input.
                            (a.variation and a.variation.unavailability_reason(has_voucher=True, subevent=a.subevent))
                            or (a.variation and not a.variation.all_sales_channels and not a.variation.limit_sales_channels.contains(self.order.sales_channel))
                            or a.item.unavailability_reason(has_voucher=True, subevent=a.subevent)
                            or (
                                not a.item.all_sales_channels and
                                not a.item.limit_sales_channels.contains(self.order.sales_channel)
                            )
                        )
                        if is_unavailable:
                            # "Re-select" add-on
                            selected_addons[cp.id, a.item.category_id][a.item_id, a.variation_id] += 1
                            continue
@@ -3535,7 +3506,7 @@ def signal_listener_issue_media(sender: Event, order: Order, **kwargs):
    from pretix.base.models import ReusableMedium
    for p in order.positions.all():
-        if p.item.media_policy in (Item.MEDIA_POLICY_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW, Item.MEDIA_POLICY_APPEND_OR_NEW):
+        if p.item.media_policy in (Item.MEDIA_POLICY_NEW, Item.MEDIA_POLICY_REUSE_OR_NEW):
            mt = MEDIA_TYPES[p.item.media_type]
            if mt.medium_created_by_server and not p.linked_media.exists():
                rm = ReusableMedium.objects.create(
@@ -3544,8 +3515,8 @@ def signal_listener_issue_media(sender: Event, order: Order, **kwargs):
                    identifier=mt.generate_identifier(sender.organizer),
                    active=True,
                    customer=order.customer,
                    linked_orderposition=p,
                )
                rm.linked_orderpositions.add(p)
                rm.log_action(
                    'pretix.reusable_medium.created',
                    data={
@@ -327,7 +327,7 @@ def get_best_name(position_or_address, parts=False):
@receiver(register_text_placeholders, dispatch_uid="pretixbase_register_text_placeholders")
 def base_placeholders(sender, **kwargs):
-    from pretix.multidomain.urlreverse import eventreverse_absolute
+    from pretix.multidomain.urlreverse import build_absolute_uri
    def _event_sample(event):
        if event.has_subevents:
@@ -388,14 +388,14 @@ def base_placeholders(sender, **kwargs):
            lambda event: LazyDate(now() + timedelta(days=15))
        ),
        SimpleFunctionalTextPlaceholder(
-            'url', ['order', 'event'], lambda order, event: eventreverse_absolute(
+            'url', ['order', 'event'], lambda order, event: build_absolute_uri(
                event,
                'presale:event.order.open', kwargs={
                    'order': order.code,
                    'secret': order.secret,
                    'hash': order.email_confirm_secret()
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.open', kwargs={
                    'order': 'F8VVL',
@@ -406,7 +406,7 @@ def base_placeholders(sender, **kwargs):
        ),
        SimpleButtonPlaceholder(
            'url_button', ['order', 'event'],
-            url_func=lambda order, event: eventreverse_absolute(
+            url_func=lambda order, event: build_absolute_uri(
                event,
                'presale:event.order.open', kwargs={
                    'order': order.code,
@@ -415,7 +415,7 @@ def base_placeholders(sender, **kwargs):
                }
            ),
            text_func=lambda order, event: _("View order details"),
-            sample_url_func=lambda event: eventreverse_absolute(
+            sample_url_func=lambda event: build_absolute_uri(
                event,
                'presale:event.order.open', kwargs={
                    'order': 'F8VVL',
@@ -426,13 +426,13 @@ def base_placeholders(sender, **kwargs):
            sample_text_func=lambda event: _("View order details"),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url_info_change', ['order', 'event'], lambda order, event: eventreverse_absolute(
+            'url_info_change', ['order', 'event'], lambda order, event: build_absolute_uri(
                event,
                'presale:event.order.modify', kwargs={
                    'order': order.code,
                    'secret': order.secret,
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.modify', kwargs={
                    'order': 'F8VVL',
@@ -441,13 +441,13 @@ def base_placeholders(sender, **kwargs):
            ),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url_products_change', ['order', 'event'], lambda order, event: eventreverse_absolute(
+            'url_products_change', ['order', 'event'], lambda order, event: build_absolute_uri(
                event,
                'presale:event.order.change', kwargs={
                    'order': order.code,
                    'secret': order.secret,
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.change', kwargs={
                    'order': 'F8VVL',
@@ -456,13 +456,13 @@ def base_placeholders(sender, **kwargs):
            ),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url_cancel', ['order', 'event'], lambda order, event: eventreverse_absolute(
+            'url_cancel', ['order', 'event'], lambda order, event: build_absolute_uri(
                event,
                'presale:event.order.cancel', kwargs={
                    'order': order.code,
                    'secret': order.secret,
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.cancel', kwargs={
                    'order': 'F8VVL',
@@ -471,7 +471,7 @@ def base_placeholders(sender, **kwargs):
            ),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url', ['event', 'position'], lambda event, position: eventreverse_absolute(
+            'url', ['event', 'position'], lambda event, position: build_absolute_uri(
                event,
                'presale:event.order.position',
                kwargs={
@@ -480,7 +480,7 @@ def base_placeholders(sender, **kwargs):
                    'position': position.positionid
                }
            ),
-            lambda event: eventreverse_absolute(
+            lambda event: build_absolute_uri(
                event,
                'presale:event.order.position', kwargs={
                    'order': 'F8VVL',
@@ -491,7 +491,7 @@ def base_placeholders(sender, **kwargs):
        ),
        SimpleButtonPlaceholder(
            'url_button', ['event', 'position'],
-            url_func=lambda event, position: eventreverse_absolute(
+            url_func=lambda event, position: build_absolute_uri(
                event,
                'presale:event.order.position', kwargs={
                    'order': position.order.code,
@@ -500,7 +500,7 @@ def base_placeholders(sender, **kwargs):
                }
            ),
            text_func=lambda event, position: _("View registration details"),
-            sample_url_func=lambda event: eventreverse_absolute(
+            sample_url_func=lambda event: build_absolute_uri(
                event,
                'presale:event.order.position', kwargs={
                    'order': 'F8VVL',
@@ -511,14 +511,14 @@ def base_placeholders(sender, **kwargs):
            sample_text_func=lambda event: _("View registration details"),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url_info_change', ['position', 'event'], lambda position, event: eventreverse_absolute(
+            'url_info_change', ['position', 'event'], lambda position, event: build_absolute_uri(
                event,
                'presale:event.order.position.modify', kwargs={
                    'order': position.order.code,
                    'secret': position.web_secret,
                    'position': position.positionid
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.position.modify', kwargs={
                    'order': 'F8VVL',
@@ -528,14 +528,14 @@ def base_placeholders(sender, **kwargs):
            ),
        ),
        SimpleFunctionalTextPlaceholder(
-            'url_products_change', ['position', 'event'], lambda position, event: eventreverse_absolute(
+            'url_products_change', ['position', 'event'], lambda position, event: build_absolute_uri(
                event,
                'presale:event.order.position.change', kwargs={
                    'order': position.order.code,
                    'secret': position.web_secret,
                    'position': position.positionid
                }
-            ), lambda event: eventreverse_absolute(
+            ), lambda event: build_absolute_uri(
                event,
                'presale:event.order.position.change', kwargs={
                    'order': 'F8VVL',
@@ -581,20 +581,20 @@ def base_placeholders(sender, **kwargs):
        ),
        SimpleFunctionalTextPlaceholder(
            'url_remove', ['waiting_list_voucher', 'event'],
-            lambda waiting_list_voucher, event: eventreverse_absolute(
+            lambda waiting_list_voucher, event: build_absolute_uri(
                event, 'presale:event.waitinglist.remove'
            ) + '?voucher=' + waiting_list_voucher.code,
-            lambda event: eventreverse_absolute(
+            lambda event: build_absolute_uri(
                event,
                'presale:event.waitinglist.remove',
            ) + '?voucher=68CYU2H6ZTP3WLK5',
        ),
        SimpleFunctionalTextPlaceholder(
            'url', ['waiting_list_voucher', 'event'],
-            lambda waiting_list_voucher, event: eventreverse_absolute(
+            lambda waiting_list_voucher, event: build_absolute_uri(
                event, 'presale:event.redeem'
            ) + '?voucher=' + waiting_list_voucher.code,
-            lambda event: eventreverse_absolute(
+            lambda event: build_absolute_uri(
                event,
                'presale:event.redeem',
            ) + '?voucher=68CYU2H6ZTP3WLK5',
@@ -611,7 +611,7 @@ def base_placeholders(sender, **kwargs):
            'orders', ['event', 'orders'], lambda event, orders: '\n' + '\n\n'.join(
                '* {} - {}'.format(
                    order.full_code,
-                    eventreverse_absolute(event, 'presale:event.order.open', kwargs={
+                    build_absolute_uri(event, 'presale:event.order.open', kwargs={
                        'event': event.slug,
                        'organizer': event.organizer.slug,
                        'order': order.code,
@@ -623,7 +623,7 @@ def base_placeholders(sender, **kwargs):
            ), lambda event: '\n' + '\n\n'.join(
                '* {} - {}'.format(
                    '{}-{}'.format(event.slug.upper(), order['code']),
-                    eventreverse_absolute(event, 'presale:event.order.open', kwargs={
+                    build_absolute_uri(event, 'presale:event.order.open', kwargs={
                        'event': event.slug,
                        'organizer': event.organizer.slug,
                        'order': order['code'],
@@ -662,13 +662,13 @@ def base_placeholders(sender, **kwargs):
            # join vouchers with two spaces at end of line so markdown-parser inserts a <br>
            'voucher_url_list', ['event', 'voucher_list'],
            lambda event, voucher_list: '  \n'.join([
-                eventreverse_absolute(
+                build_absolute_uri(
                    event, 'presale:event.redeem'
                ) + '?voucher=' + c
                for c in voucher_list
            ]),
            lambda event: '  \n'.join([
-                eventreverse_absolute(
+                build_absolute_uri(
                    event, 'presale:event.redeem'
                ) + '?voucher=' + c
                for c in ['68CYU2H6ZTP3WLK5', '7MB94KKPVEPSMVF2']
@@ -676,10 +676,10 @@ def base_placeholders(sender, **kwargs):
            inline=False,
        ),
        SimpleFunctionalTextPlaceholder(
-            'url', ['event', 'voucher_list'], lambda event, voucher_list: eventreverse_absolute(event, 'presale:event.index', kwargs={
+            'url', ['event', 'voucher_list'], lambda event, voucher_list: build_absolute_uri(event, 'presale:event.index', kwargs={
                'event': event.slug,
                'organizer': event.organizer.slug,
-            }), lambda event: eventreverse_absolute(event, 'presale:event.index', kwargs={
+            }), lambda event: build_absolute_uri(event, 'presale:event.index', kwargs={
                'event': event.slug,
                'organizer': event.organizer.slug,
            })
@@ -801,10 +801,11 @@ def get_available_placeholders(event, base_parameters, rich=False):
    return params
-def prepare_sample_context_for_preview(placeholder_to_sample):
+def get_sample_context(event, context_parameters, rich=True):
    context_dict = {}
    lbl = _('This value will be replaced based on dynamic parameters.')
-    for k, sample in placeholder_to_sample.items():
+    for k, v in get_available_placeholders(event, context_parameters, rich=rich).items():
        sample = v.render_sample(event)
        if isinstance(sample, PlainHtmlAlternativeString):
            context_dict[k] = PlainHtmlAlternativeString(
                '<{el} class="placeholder" title="{title}">{plain}</{el}>'.format(
@@ -829,12 +830,3 @@ def prepare_sample_context_for_preview(placeholder_to_sample):
                escape(sample)
            ))
    return context_dict
 def get_sample_context(event, context_parameters, rich=True):
    return prepare_sample_context_for_preview(
        {
            k: v.render_sample(event)
            for k, v in get_available_placeholders(event, context_parameters, rich=rich).items()
        }
    )
@@ -44,7 +44,7 @@ from django.conf import settings
 from django.utils.crypto import get_random_string
 from django.utils.formats import date_format
 from django.utils.timezone import now
-from django.utils.translation import gettext, gettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from pretix.base.i18n import language
 from pretix.base.models import CachedFile, Event, User, cachedfile_name
@@ -171,16 +171,15 @@ def shred(self, event: Event, fileid: str, confirm_code: str, user: int=None, lo
    if user:
        with language(user.locale):
            event_name = str(event.name)
            mail(
                user.email,
-                gettext('Data shredding completed for %(event)s') % {'event': event_name},
+                _('Data shredding completed'),
                'pretixbase/email/shred_completed.txt',
                {
                    'instance': settings.PRETIX_INSTANCE_NAME,
                    'user': user,
                    'organizer': event.organizer.name,
-                    'event': event_name,
+                    'event': str(event.name),
                    'start_time': date_format(parse(indexdata['time']).astimezone(event.timezone), 'SHORT_DATETIME_FORMAT'),
                    'shredders': ', '.join([str(s.verbose_name) for s in shredders])
                },
@@ -37,7 +37,7 @@ from pretix.base.services.mail import mail
 from pretix.base.settings import GlobalSettingsObject
 from pretix.base.signals import periodic_task
 from pretix.celery_app import app
-from pretix.helpers.urls import mainreverse_absolute
+from pretix.helpers.urls import build_absolute_uri
@receiver(signal=periodic_task)
@@ -121,7 +121,7 @@ def send_update_notification_email():
            )
        ),
        {
-            'url': mainreverse_absolute('control:global.update')
+            'url': build_absolute_uri('control:global.update')
        },
    )
@@ -211,25 +211,12 @@ DEFAULTS = {
        'form_class': forms.BooleanField,
        'serializer_class': serializers.BooleanField,
        'form_kwargs': dict(
-            label=_("Activate reusable media"),
+            label=_("Activate re-usable media"),
-            help_text=_("The reusable media feature allows you to connect tickets and gift cards with physical media "
+            help_text=_("The re-usable media feature allows you to connect tickets and gift cards with physical media "
-                        "such as wristbands or chip cards that may be reused for different tickets or gift cards "
+                        "such as wristbands or chip cards that may be re-used for different tickets or gift cards "
                        "later.")
        )
    },
    'reusable_media_usage_enforced': {
        'default': 'False',
        'type': bool,
        'form_class': forms.BooleanField,
        'serializer_class': serializers.BooleanField,
        'form_kwargs': dict(
            label=_("Enforce the usage of issued reusable media for check-in"),
            help_text=_("If enabled, a ticket barcode will not be accepted anymore, if a reusable medium has been "
                        "created and linked to a ticket. Keeping this option turned off will treat the reusable "
                        "medium and ticket as equals."),
            widget=forms.CheckboxInput(attrs={'data-display-dependency': '#id_settings-reusable_media_active'}),
        )
    },
    'reusable_media_type_barcode': {
        'default': 'False',
        'type': bool,
@@ -1276,7 +1263,7 @@ DEFAULTS = {
        'serializer_class': serializers.BooleanField,
        'write_permission': 'event.settings.invoicing:write',
        'form_kwargs': dict(
-            label=_("Allow updating existing invoices"),
+            label=_("Allow to update existing invoices"),
            help_text=_("By default, invoices can never again be changed once they are issued. In most countries, we "
                        "recommend to leave this option turned off and always issue a new invoice if a change needs "
                        "to be made."),
@@ -1924,6 +1911,8 @@ DEFAULTS = {
        'serializer_class': serializers.BooleanField,
        'form_kwargs': dict(
            label=_("Hide all past dates from calendar"),
            help_text=_("This option currently only affects the calendar of this event series, not the organizer-wide "
                        "calendar.")
        )
    },
    'allow_modifications': {
@@ -2284,17 +2273,6 @@ DEFAULTS = {
            help_text=_("We'll show this publicly to allow attendees to contact you.")
        )
    },
    'contact_url': {
        'default': None,
        'type': str,
        'serializer_class': serializers.URLField,
        'form_class': forms.URLField,
        'form_kwargs': dict(
            label=_("Contact URL"),
            help_text=_("If you set this, the footer contact link will point here instead of using the email address above. "
                        "Please note that you still need to add a contact email address that will be shared with all emails you send.")
        )
    },
    'imprint_url': {
        'default': None,
        'type': str,
@@ -535,9 +535,8 @@ EventPluginRegistry = PluginAwareRegistry  # for backwards compatibility
 event_live_issues = EventPluginSignal()
 """
 This signal is sent out to determine whether an event can be taken live. If you want to
-prevent the event from going live, return an error message to display to the user (either
+prevent the event from going live, return a string that will be displayed to the user
-as a SafeString containing HTML, or a string that will be HTML-escaped). If you don't,
+as the error message. If you don't, your receiver should return ``None``.
 your receiver should return ``None``.
 As with all event-plugin signals, the ``sender`` keyword argument will contain the event.
 """
@@ -11,7 +11,6 @@
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta charset="utf-8">
    <link rel="icon" href="{% static "pretixbase/img/favicon.ico" %}">
    <script type="text/javascript" src="{% static "pretixbase/js/errors.js" %}"></script>
    {% block custom_header %}{% endblock %}
    {% if css_theme %}
        <link rel="stylesheet" type="text/css" href="{{ css_theme }}" />
@@ -22,4 +21,5 @@
    {% block content %}{% endblock %}
 </div>
 </body>
 <script src="{% static "pretixbase/js/errors.js" %}"></script>
 </html>
@@ -1,14 +1,10 @@
 {% load i18n %}
-{% trans "You requested to cancel an event that involves a large bulk refund:" %}
+{% trans "You have requested us to cancel an event which includes a larger bulk-refund:" %}
- {% trans "Event" %}: {{ event }}
+{% trans "Event" %}: {{ event }}
 - {% trans "Estimated refund" %}: **{{ amount }}**
-{% trans "To confirm, paste the following code into the cancellation form:" %}
+{% trans "Estimated refund amount" %}: **{{ amount }}**
-    {{ confirmation_code }}
+{% trans "Please confirm that you want to proceed by coping the following confirmation code into the cancellation form:" %}
-{% blocktrans with instance=instance %}Don't share this code with anyone. The {{ instance }} team will never ask you for it.{% endblocktrans %}
+**{{ confirmation_code }}**
 {% blocktrans with instance=instance %}Thanks,  
 The {{ instance }} Team{% endblocktrans %}
@@ -1,13 +1,12 @@
 {% load i18n %}
-{% trans "Your scheduled export failed." %}
+{% trans "Your export failed." %}
- {% trans "Reason" %}: {{ reason }}
+{% trans "Reason:" %} {{ reason }}
-{% if not soft %}{% trans "If an export fails five times in a row, we'll stop sending it." %}{% endif %}
+{% if not soft %}
 {% trans "If your export fails five times in a row, it will no longer be sent." %}
 {% endif %}
-{% trans "You can adjust or remove this export here:" %}
+{% trans "Configuration link:" %}
 {{ configuration_url }}
 {% blocktrans with instance=instance %}Thanks,  
 The {{ instance }} Team{% endblocktrans %}
@@ -52,13 +52,13 @@
                    <table cellpadding="20"><tr><td>
            <![endif]-->
            <div class="content">
-                {% trans "You're receiving this email based on your notification settings." %}<br>
+                {% trans "You receive these emails based on your notification settings." %}<br>
                <a href="{{ settings_url }}">
-                    {% trans "Manage settings" %}
+                    {% trans "Click here to view and change your notification settings" %}
                </a>
                {% if disable_url %}<br>
                    <a href="{{ disable_url }}">
-                        {% trans "Disable all notifications" %}
+                        {% trans "Click here disable all notifications immediately." %}
                    </a>
                {% endif %}
            </div>
@@ -1,21 +1,19 @@
 {% load i18n %}
 {{ notification.title }}{% if notification.detail %}
-{{ notification.detail }}{% endif %}{% if notification.url %}
+{{ notification.detail }}
 {% endif %}{% if notification.url %}
-{{ notification.url }}{% endif %}{% if notification.attributes %}
+{{ notification.url }}{% endif %}{% for attr in notification.attributes %}
-{% for attr in notification.attributes %}- {{ attr.title }}: {{ attr.value }}
+{{ attr.title }}: {{ attr.value }}{% endfor %}{% for action in notification.actions %}
 {% endfor %}{% endif %}{% for action in notification.actions %}
-{{ action.label }}:
+{{ action.label }}
    {{ action.url }}{% endfor %}
-{{ action.url }}{% endfor %}
+{% trans "You receive these emails based on your notification settings." %}
-
+{% trans "Click here to view and change your notification settings:" %}
---
+{{ settings_url }}
-
+{% if disable_url %}{% trans "Click here disable all notifications immediately:" %}
-{% trans "You're receiving this email based on your notification settings." %}
+{{ disable_url }}
 - {% trans "Manage settings" %}: {{ settings_url }}
 {% if disable_url %}- {% trans "Disable all notifications" %}: {{ disable_url }}
 {% endif %}
@@ -1,14 +1,17 @@
-{% load i18n %}{% blocktrans %}Hello,
+{% load i18n %}
 {% load i18n %}{% blocktrans with url=url|safe %}Hello,
-The following data shredding job has been completed:
+we hereby confirm that the following data shredding job has been completed:
- Organizer: {{ organizer }}
+Organizer: {{ organizer }}
 - Event: {{ event }}
 - Data selection: {{ shredders }}
 - Start time: {{ start_time }}
-Any data added to the event after the start time may not have been deleted.
+Event: {{ event }}
-Thanks,  
+Data selection: {{ shredders }}
-The {{ instance }} Team
+
 Start time: {{ start_time }} (new data added after this time might not have been deleted)
 Best regards,
 Your {{ instance }} team
 {% endblocktrans %}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
luelista GitHub Raphael Michel	a554a742be	Apply suggestions from code review Co-authored-by: Raphael Michel <mail@raphaelmichel.de>	2026-05-22 16:38:38 +02:00
Mira Weller	50a5189626	Fix if condition	2026-05-22 16:37:46 +02:00
Mira Weller	6f74fe293d	Add logging	2026-05-22 16:20:40 +02:00
Mira Weller	7554193e2a	Remove duplicated csrftoken cookies Due to a Safari bug, in some browser, two csrftoken cookies with different values exist: one unpartitioned, one partitioned ("CHIPS"). This function generates an additional Set-Cookie header to get rid of the unpartitioned one. As Django usually only allows one Set-Cookie header per cookie name, we need to manually create a cookie 'Morsel' for the deletion and store it in the HttpResponse's cookie dictionary under a different name, so it is not overwritten by the actual, correct Set-Cookie header. This works because the code in django.core.handlers.wsgi/asgi, that generates the actual Set-Cookie headers, only iterates over cookie.values(), ignoring the keys.	2026-05-22 16:12:10 +02:00